Free with trial Sketch of books. Hand drawn books set. Opened and closed books. Books vector. Doodle book collection icon set. Vector illustration. Knowledge vectors Sketch of books. Hand drawn books set. Opened and closed books. Books vector. Doodle book collection icon set. Vector illustration
Free with trial Doodle vector illustration of a woman reading book. Get education by reading paper, electronic and audio books. Open education concept for web banners, hero images, printed materials. Knowledge vectors Open Education Doodle Concept. Doodle vector illustration of a woman reading book. Get education by reading paper, electronic and audio books. Open education. Doodle vector illustration of a woman reading book. Get education by reading paper, electronic and audio books. Open education concept for web banners, hero images, printed materials
Free with trial A silhouette illustration of a man observing stars with a telescope from a hilltop, symbolizing astronomy and contemplation. This graphic is ideal for educational content, space enthusiasts, or scientific discovery themes, evoking wonder and the pursuit of cosmic knowledge, vector design Generative AI. Knowledge vectors Man Observing Stars with Telescope Silhouette, vector design Generative AI. A silhouette illustration of a man observing stars with a telescope from a hilltop. A silhouette illustration of a man observing stars with a telescope from a hilltop, symbolizing astronomy and contemplation. This graphic is ideal for educational content, space enthusiasts, or scientific discovery themes, evoking wonder and the pursuit of cosmic knowledge, vector design Generative AI
Free with trial A stack of books and a mug. Books and reading set. Textbooks for academic studies. Literary fans. Vector desk with textbooks encyclopedias, workplace workspace. Learning education, piles of literature. Knowledge vectors A stack of books and a mug. Books and reading set. Textbooks for academic studies. Literary fans. Vector desk with textbooks encyclopedias, workplace workspace
Free with trial Flat icon showing a tree with light bulb fruits and a finger pointing, ideal for concepts of creativity, innovation, and digital development. Knowledge vectors Light bulb idea tree icon with finger pointing for digital concept. Flat icon showing a tree with light bulb fruits and a finger pointing, ideal for concepts of. Flat icon showing a tree with light bulb fruits and a finger pointing, ideal for concepts of creativity, innovation, and digital development
Free with trial An illustration of businessman climbing on top of his mind holding winning flag for business goal. Success mindset, mentor business, growth and career development concept. Knowledge vectors Businessman climbing on top of his mind holding winning flag for business goal. An illustration of businessman climbing on top of his mind holding winning flag. An illustration of businessman climbing on top of his mind holding winning flag for business goal. Success mindset, mentor business, growth and career development concept
Free with trial An illustration of a globe resting on an open book, representing learning, education, and global knowledge. Knowledge vectors Globe on Book: A Symbol of Education, Knowledge, and Global Learning. An illustration of a globe resting on an open book, representing learning, education, and. An illustration of a globe resting on an open book, representing learning, education, and global knowledge.
Free with trial Book Event for Kids Advertising Poster Flyer ,Illustration Colorful of Children Reading a Book. Knowledge vectors Book Event for Kids Advertising Poster Flyer. Illustration Colorful of Children Reading a Book
Free with trial A serene black and white vector illustration of a person engrossed in reading a book. This design symbolizes learning, knowledge, quiet contemplation, and intellectual pursuit. Ideal for libraries, educational institutions, or promoting literacy and personal growth, vector design Generative AI. Knowledge vectors Person Immersed in Reading, Education and Focus, vector design Generative AI. A serene black and white vector illustration of a person engrossed in reading a. A serene black and white vector illustration of a person engrossed in reading a book. This design symbolizes learning, knowledge, quiet contemplation, and intellectual pursuit. Ideal for libraries, educational institutions, or promoting literacy and personal growth, vector design Generative AI
Free with trial Glowing neon line Learning foreign languages icon isolated on black background. Translation, language interpreter and communication. Vector. Knowledge vectors Glowing neon line Learning foreign languages icon isolated on black background. Translation, language interpreter and. Communication. Vector
Free with trial Illustration of a senior male doctor with glasses and gray hair shrugging while wearing a white coat and stethoscope, conveying uncertainty or questioning mood. Generative AI. Knowledge vectors Senior male doctor with glasses wearing white coat and stethoscope shrugging in vector illustration. Illustration of a senior male doctor with glasses and gray. Illustration of a senior male doctor with glasses and gray hair shrugging while wearing a white coat and stethoscope, conveying uncertainty or questioning mood. Generative AI
Free with trial Handshake and gears vector line icon, sign, symbol. task relation. Knowledge vectors Handshaking, gear, task relations icon. Element of business icon for mobile concept and web apps on white background. Handshake and gears vector line icon, sign. Handshake and gears vector line icon, sign, symbol. task relation
Free with trial University icon or logo isolated sign symbol vector illustration - high quality black style vector icons. Knowledge vectors University icon or logo isolated sign symbol vector illustration. High quality black style vector icons
Free with trial Book, Idea, Novel, Story solid Glyph Icon vector. Knowledge vectors Book, Idea, Novel, Story solid Glyph Icon vector
Free with trial Collection of black solid educational technology icons representing online learning, virtual reality, artificial intelligence tutor, global network, and digital classroom study. Knowledge vectors Minimalist Black Solid Style Educational Technology Online Learning Symbol Icon Set. Collection of black solid educational technology icons representing online. Collection of black solid educational technology icons representing online learning, virtual reality, artificial intelligence tutor, global network, and digital classroom study.
Free with trial Online tutorials RGB color icons set. Educational content. Elearning. Isolated vector illustrations. Simple filled line drawings collection. Editable stroke. Quicksand-Light font used. Knowledge vectors Online tutorials RGB color icons set. Educational content. Elearning. Isolated vector illustrations. Simple filled line drawings collection. Editable stroke
Free with trial Simple vector sketch graduation cap single one line art, continuous. Knowledge vectors Simple vector sketch graduation cap single one line art, continuous. Vector sketch graduation cap single one line art, continuous
Free with trial Graduation hat and certificate glyph icon. Can be used for websites, apps, software, and other user interfaces. Knowledge vectors Graduation hat and certificate glyph icon. Can be used for websites, apps, software, and other user interfaces
Free with trial Student, book, reading, man, student reading book icon. Knowledge vectors Student, book, reading, man, student reading book icon
Free with trial Math school subject. Learning mathematics, idea of education and knowledge. Science, technology, engineering, mathematics education. Isolated flat vector illustration. Knowledge vectors Math school subject. Learning mathematics, idea of education. And knowledge. Science, technology, engineering, mathematics education. Isolated flat vector
Free with trial Initial H U letter with book style logo template vector. Initial letter with book style logo template vector on black background. Knowledge vectors Initial H U letter with book style logo template vector. Initial letter with book style logo template vector on black background
Free with trial Elearning line icons. linear set. quality vector line set such as creativity, student, responsive, programming, consultation,. Answer, info. Knowledge vectors Elearning line icons. linear set. quality vector line set such as creativity, student, responsive, programming, consultation,. Answer, info
Free with trial Education line icon. Skills and knowledge. Global network. Modern technology. Learning concept. Isolated vector illustration. Editable stroke. Knowledge vectors Education line icon. Skills and knowledge. Global network. Modern technology.Learning concept. Isolated vector illustration. Editable stroke
Free with trial People reading book web concept with flat people for website design. Woman reads literature while sitting swing outdoors, bookworm pastime with different texts, engaged in hobby. Vector illustration. Knowledge vectors People reading book web concept with flat people for website design. Woman reads literature while sitting swing outdoors, bookworm. Pastime with different texts. People reading book web concept with flat people for website design. Woman reads literature while sitting swing outdoors, bookworm pastime with different texts, engaged in hobby. Vector illustration.
Free with trial Filled outline Book about ecology icon isolated on white background. Biology book. Vector. Knowledge vectors Filled outline Book about ecology icon isolated on white background. Biology book. Vector.
Free with trial Illustration depicting a tree of knowledge growing from a stack of books symbolizing education and wisdom. Knowledge vectors Tree of knowledge illustration: Education, learning, growth, books and wisdom. Illustration depicting a tree of knowledge growing from a stack of books. Illustration depicting a tree of knowledge growing from a stack of books symbolizing education and wisdom.
Free with trial Illustration for design projects: websites, banners,. Knowledge vectors Back to school. Group of happy students walking in the school yard. Autumn day. Illustration for design projects: websites, banners. Illustration for design projects: websites, banners,
Free with trial Light bulb line idea icon. Idea symbol, Light bulb icon, one line vector illustration isolated on white background. Knowledge vectors Light bulb line idea icon. Idea symbol, Light bulb icon, one line vector illustration isolated on white background
Free with trial Pile of books and burning candles with flower pot. Antique books. Writers workplace. Student library. Isolated on white background. Flat vector cartoon illustration. Knowledge vectors Pile of books and burning candles on table. Vector isolated illustration. Pile of books and burning candles with flower pot. Antique books. Writers workplace. Pile of books and burning candles with flower pot. Antique books. Writers workplace. Student library. Isolated on white background. Flat vector cartoon illustration.
Free with trial Embrace the jubilant spirit of Vedic wisdom with this captivating lettering vector design, radiating the celebration of ancient knowledge. Knowledge vectors Vedic Knowledge Jubilation Aesthetic Lettering Vector Design. Embrace the jubilant spirit of Vedic wisdom with this captivating lettering vector design. Embrace the jubilant spirit of Vedic wisdom with this captivating lettering vector design, radiating the celebration of ancient knowledge
Free with trial Sadly scientist icon in dissolved, dotted halftone and undamaged whole variants. Cells are arranged into vector disappearing scientist form. Human face has pitiful emotion. Knowledge vectors Dolor Fragmented Pixel Halftone Scientist Icon. Sadly scientist icon in dissolved, dotted halftone and undamaged whole variants. Cells are arranged into vector. Sadly scientist icon in dissolved, dotted halftone and undamaged whole variants. Cells are arranged into vector disappearing scientist form. Human face has pitiful emotion.
Free with trial Funny cute kawaii cow or bull with book in flat design with shadows. Isolated animal vector illustration. Knowledge vectors Funny cute kawaii cow or bull with book in flat design with shadows. Isolated animal vector illustration
Free with trial Glowing neon Online education with diploma icon isolated on brick wall background. Diploma online at home. Webinar and video seminar learning. Vector. Knowledge vectors Glowing neon Online education with diploma icon isolated on brick wall background. Diploma online at home. Webinar and. Video seminar learning. Vector
Free with trial Vector adult man reads the book. Cartoon gentelman with beard sit on the blue sofa at home. His hobby is reading education textbooks. Knowledge vectors Adult man with book sit on the sofa. Vector adult man reads the book. Cartoon gentelman with beard sit on the blue sofa at home. His hobby is reading education. Vector adult man reads the book. Cartoon gentelman with beard sit on the blue sofa at home. His hobby is reading education textbooks
Free with trial School concept. Design, vector illustration eps10 graphic. Knowledge vectors School concept. Design, vector illustration eps10 graphic
Free with trial A businessman has an idea. Businessman has an excellent idea. Knowledge vectors A businessman has an idea. Businessman has an excellent idea
Free with trial Vector illustration of library and textbook icon. Collection of library and school stock symbol for web. Knowledge vectors Vector design of library and textbook logo. Set of library and school vector icon for stock. Vector illustration of library and textbook icon. Collection of. Vector illustration of library and textbook icon. Collection of library and school stock symbol for web.
Free with trial Did you know speech bubble. Set of colorful vector badges. Marketing, advertising, business banners. Isolated on white. Knowledge vectors Did you know speech bubble. Set of colorful vector badges. Marketing, advertising, business banners. Isolated on white
Free with trial Brain And Question Mark sketch icon vector. Hand drawn blue doodle line art Brain And Question Mark sign. isolated symbol illustration. Knowledge vectors Brain And Question Mark doodle icon hand drawn illustration. Brain And Question Mark sketch icon vector. Hand drawn blue doodle line art Brain And Question Mark. Brain And Question Mark sketch icon vector. Hand drawn blue doodle line art Brain And Question Mark sign. isolated symbol illustration
Free with trial This image presents a stylized digital illustration of an elderly person's hands holding a smartphone, displaying a clean e-book reading interface on the screen. The warm lighting and soft lines create a cozy, intellectual mood, focusing on the accessible nature of modern digital literature. Knowledge vectors Elderly person hands holding smartphone reading e book app on screen. This image presents a stylized digital illustration of an elderly person's hands holding a. This image presents a stylized digital illustration of an elderly person's hands holding a smartphone, displaying a clean e-book reading interface on the screen. The warm lighting and soft lines create a cozy, intellectual mood, focusing on the accessible nature of modern digital literature
Free with trial This image was created using Generative AI. Black outline of brain symbol abstract design on white background, representing mind and intelligence. Knowledge vectors Brain symbol abstract design black outline. This image was created using Generative AI. Black outline of brain symbol abstract design on white background. This image was created using Generative AI. Black outline of brain symbol abstract design on white background, representing mind and intelligence
Free with trial Illustration of a graduation cap, featuring a flat, black square mortarboard and a bright yellow tassel. The cap symbolizes academic achievement and education success. The tassel is shown draping from the center to the side, depicting traditional graduation attire. The design is simple, focusing on the classic elements of graduation regalia. Knowledge vectors Graduation cap illustration for education success, student achievement, and back to school academic theme. Illustration of a graduation cap, featuring a flat. Illustration of a graduation cap, featuring a flat, black square mortarboard and a bright yellow tassel. The cap symbolizes academic achievement and education success. The tassel is shown draping from the center to the side, depicting traditional graduation attire. The design is simple, focusing on the classic elements of graduation regalia.
Free with trial Modern business teacher giving lecture on tribune with microphone or presentation to a group of employees. Standing in front of whiteboard. Modern flat style vector illustration. Knowledge vectors Modern business teacher giving lecture. On tribune with microphone or presentation to a group of employees. Standing in front of whiteboard. Modern flat style
Free with trial Books sketch collection. In doodle style, vector illustration. Knowledge vectors Books sketch collection. In doodle style, vector illustration
Free with trial Online, education, student, study icon. Well organized simple vector. Use for commercial purposes, web, printing, or any type of design projects. Knowledge vectors Online, education, student, study icon. Orange vector sketch. Online, education, student, study icon. Well organized simple vector. Use for commercial purposes. Online, education, student, study icon. Well organized simple vector. Use for commercial purposes, web, printing, or any type of design projects
Free with trial Two books are stacked with simple outlines and flat colors. A pair of volumes stand upright in a clean, modern style. Cartoon vector illustration. Knowledge vectors Stacked Books Illustration. Two books are stacked with simple outlines and flat colors. A pair of volumes stand upright in a clean, modern style. Cartoon vector. Two books are stacked with simple outlines and flat colors. A pair of volumes stand upright in a clean, modern style. Cartoon vector illustration.
Free with trial 3D Isometric Flat Vector Conceptual Illustration of Phonetics, Linguistics as Language or Communication Scientific Study. Knowledge vectors 3D Isometric Flat Vector Conceptual Illustration of Phonetics. Linguistics as Language or Communication Scientific Study
Free with trial A global education concept featuring an open book, a lightbulb, and a representation of the world. Knowledge vectors Global Education: An Open Book, Shining Ideas, and Worldwide Knowledge. A global education concept featuring an open book, a lightbulb, and a representation of. A global education concept featuring an open book, a lightbulb, and a representation of the world.
Free with trial A futuristic icon of a tree made of digital circuits and data points. It represents concepts like the internet of things, a digital ecosystem, artificial intelligence in nature, and the 'tree of knowledge' in the information age. vector design Generative AI. Knowledge vectors A hightech tree with circuit board patterns and data nodes. vector design Generative AI. A futuristic icon of a tree made of digital circuits and data points. It. A futuristic icon of a tree made of digital circuits and data points. It represents concepts like the internet of things, a digital ecosystem, artificial intelligence in nature, and the 'tree of knowledge' in the information age. vector design Generative AI
Free with trial Circular sticker of emblem with open book with text. Vector illustration. Knowledge vectors Circular sticker of emblem with open book with text. Vector illustration
Free with trial Smiling schoolbag backpack cartoon character with apple isometric vector illustration. Happy comic school bag pupil studying education minimalist mascot healthy food vitamin fruit knowledge. Knowledge vectors Smiling schoolbag backpack cartoon character with apple isometric vector illustration. Happy comic school bag pupil studying education minimalist mascot
Free with trial Mystical All Seeing Eye Spiritual Symbolism Line Art Esoteric Vision Hand Drawn Illustration. AI generated. Knowledge vectors Mystical All Seeing Eye Spiritual Symbolism Line Art Esoteric Vision Hand Drawn Illustration. AI generated
Free with trial Happy boy reading book. Vector Happy child reading huge book enjoy fairytale world. Smiling boy look in textbook fond of novel or story. Literature and knowledge. Vector illustration. Knowledge vectors Happy boy reading book. Vector Happy child reading huge book enjoy fairytale world. Smiling boy look in textbook fond of novel or story. Literature and. Happy boy reading book . Vector Happy child reading huge book enjoy fairytale world. Smiling boy look in textbook fond of novel or story. Literature and knowledge. Vector illustration.
Free with trial Collection of graduation and academic achievement badges including valedictorian, knowledge award, future leader and honors student. Knowledge vectors Set of academic achievement awards and graduation badges for students. Collection of graduation and academic achievement badges including valedictorian. Collection of graduation and academic achievement badges including valedictorian, knowledge award, future leader and honors student
Free with trial Vegetables alphabet: C is for Cucumber. Illustration of Vegetables alphabet: C is for Cucumber. Knowledge vectors Vegetables alphabet: C is for Cucumber. Illustration of Vegetables alphabet: C is for Cucumber
Free with trial A stylized, minimalist icon depicting an open book with a graduation cap resting on its pages. An upward-pointing arrow emerges from the right side of the book, symbolizing progress, growth, and achievement in education. The clean, linear design makes it versatile for use in educational contexts, representing learning, success, and advancement. Knowledge vectors Graduation Cap on Open Book with Upward Arrow. A stylized, minimalist icon depicting an open book with a graduation cap resting on its pages. An upward-pointing. A stylized, minimalist icon depicting an open book with a graduation cap resting on its pages. An upward-pointing arrow emerges from the right side of the book, symbolizing progress, growth, and achievement in education. The clean, linear design makes it versatile for use in educational contexts, representing learning, success, and advancement.
Free with trial This image was created using Generative AI. Minimalist black book icon with white label and text lines symbolizing literature and knowledge. Perfect for educational materials, library interfaces, or reading applications design elements. Knowledge vectors Black and White Book Icon with Label Representation Symbol for Reading. This image was created using Generative AI. Minimalist black book icon with white label. This image was created using Generative AI. Minimalist black book icon with white label and text lines symbolizing literature and knowledge. Perfect for educational materials, library interfaces, or reading applications design elements
Free with trial Set of simple line icons related to books and reading, including open and closed books, bookmarks, glasses, e-reader, and bookshelf. Knowledge vectors Collection of line art icons representing books, bookmarks, reading glasses, e-reader, inkwell. Set of simple line icons related to books and reading, including. Set of simple line icons related to books and reading, including open and closed books, bookmarks, glasses, e-reader, and bookshelf
Free with trial Educational Business Logo Template for Study and Learning Services. Modern and Professional Education Logo Template for Learning and Tutoring Businesses. Knowledge vectors Educational Business Logo Template for Study and Learning Services. Modern and Professional Education Logo Template for Learning and Tutoring Businesses
Free with trial Cartoon Smartphone, comic book Telephone with Diploma, rolled paper with ribbon. Retro vector comics pop art design. Knowledge vectors Cartoon Smartphone, comic book Telephone with Diploma, rolled paper with ribbon. Vector comics pop art design. Cartoon Smartphone, comic book Telephone with. Cartoon Smartphone, comic book Telephone with Diploma, rolled paper with ribbon. Retro vector comics pop art design
Free with trial Education icon, Book with apple. , vector icon. Knowledge vectors Education icon, Book with apple. , vector icon
Free with trial Abstract background of alphabet symbols. World book and copyright day. International Day of writer. International Day of the Book. World Book Day. Studying and learning concept. Illustration. Knowledge vectors Abstract background of letters and digits. Abstract background of alphabet symbols. World book and copyright day. International Day of writer. International Day. Abstract background of alphabet symbols. World book and copyright day. International Day of writer. International Day of the Book. World Book Day. Studying and learning concept. Illustration.
Free with trial Educational Business Logo Template for Study and Learning Services. Modern and Professional Education Logo Template for Learning and Tutoring Businesses. Knowledge vectors Educational Business Logo Template for Study and Learning Services. Modern and Professional Education Logo Template for Learning and Tutoring Businesses
Free with trial Webinar online seminars course e-learning training education in school corporation business conference. Vector. Knowledge vectors Webinar online seminars course e-learning training education in school corporation business conference. Vector
Free with trial Young graduate man cartoon. Young graduate man body cartoon vector illustration graphic design. Knowledge vectors Young graduate man cartoon. Young graduate man body cartoon vector illustration graphic design
Free with trial People talking concept. Girl gives advice to man or asks question. Friends communicate, dispute and discussion. Students at university discuss new knowledge. Cartoon flat vector illustration. Knowledge vectors People talking concept. Girl gives advice to man or asks question. Friends communicate, dispute and discussion. Students at university discuss new knowledge
Free with trial Graduation T-shirt Design, Student graduate badges. College graduation quotes, Graduation 2024,Congrats grad, Graduation Gift, Kindergarten Grad Shirts, Vector template for greeting card, sticker. Knowledge vectors Raduation T-shirt Design, Student graduate badges.vector t shirt design. Graduation T-shirt Design, Student graduate badges. College graduation quotes. Graduation T-shirt Design, Student graduate badges. College graduation quotes, Graduation 2024,Congrats grad, Graduation Gift, Kindergarten Grad Shirts, Vector template for greeting card, sticker.
Free with trial Wireframe Necker Smooth Cube. Cube of connected lines. Molecular lattice. The structural grid of polygons. Vector illustration sacred geometry. Knowledge vectors Wireframe Necker Smooth Cube. Cube of connected lines. Molecular lattice. The structural grid of polygons. Vector illustration sacred geometry
Free with trial Icon brain human vector on black background. Illustration line linear outline and lineal icon for graphic print media interfaces and web design. Knowledge vectors Icon brain human vector on black background. Illustration line linear outline and lineal icon for graphic print media interfaces and web design
Free with trial Single line drawing of open book. Continuous single line drawing of open book, line art vector illustration. Knowledge vectors Single line drawing of open book. Continuous single line drawing of open book, line art vector illustration
Free with trial Colorful stack of books illustration with subtle sparkles representing education and knowledge. AI generated. Knowledge vectors Colorful stack of books illustration with subtle sparkles representing education and knowledge. AI generated
Free with trial Book stack and apple, knowledge, study, learn thin line icon, education concept, reading vector sign on white background, outline style icon for mobile concept and web design. Vector graphics. Knowledge vectors Book stack and apple, knowledge, study, learn thin line icon, education concept, reading vector sign on white background. Outline style icon for mobile concept. Book stack and apple, knowledge, study, learn thin line icon, education concept, reading vector sign on white background, outline style icon for mobile concept and web design. Vector graphics
Free with trial Blockchain digital technology. Big data vector background. Cryptocurrency technology vector background. Big data vector. Knowledge vectors Blockchain digital technology. Big data vector background. Cryptocurrency technology vector background. Blockchain digital technology. Big data vector
Free with trial Group of teen pupils, happy friends classmates. School boys and girl students with backpacks and books, schoolchildren portrait. Student pupil teens studying and learning together in lovely school. Knowledge vectors Pupil teens studying and learning together in lovely school. Students with backpacks and books. Group of teen pupils, happy friends classmates. School boys and. Group of teen pupils, happy friends classmates. School boys and girl students with backpacks and books, schoolchildren portrait. Student pupil teens studying and learning together in lovely school
Free with trial Machine learning icon set. Collection of high quality black outline logo for web site design and mobile apps. Vector illustration on a white background. Knowledge vectors Machine learning. Icon set. Collection of high quality black outline logo for web site design and mobile apps. Vector illustration on a white background
Free with trial Man with books library in brain vintage sketch engraving vector illustration. Metaphor of knowledge and erudition. Scratch board style imitation. Black and white hand drawn image. Knowledge vectors Man with books library in brain sketch vector. Man with books library in brain vintage sketch engraving vector illustration. Metaphor of knowledge and erudition. Man with books library in brain vintage sketch engraving vector illustration. Metaphor of knowledge and erudition. Scratch board style imitation. Black and white hand drawn image.
Free with trial Back to school education teacher and chalkboard. Vector illustration. Knowledge vectors Back to school education teacher and chalkboard. Vector illustration
Free with trial Book Logo Template vector Illustration. Design. Knowledge vectors Book Logo Template vector Illustration. Design
Free with trial Open book symbol isolated on dark background. Simple vector logo. Knowledge vectors Open book symbol isolated on dark background. Simple vector logo