# Custom CSS Themes You can create custom Themes. They must at least include the following: ## Requirements for Themes ### Required Variables Define the following variables in your theme: - `--color1`: Primary color - `--color2`: Secondary color - `--color3`: Additional color - `--color4`: Another color These variables are essential for automatic icon generation. ### Folder Icon Specification Include the following CSS rule to specify the folder icon used in your theme: ```css .foldericon { content: url("data:image/svg+xml,%3Csvg width='800px' height='800px' viewBox='0 0 1024 1024' class='icon' version='1.1' xmlns='http://www.w3.org/2000/svg' fill='%23000000'%3E%3Cg id='SVGRepo_bgCarrier' stroke-width='0' /%3E%3Cg id='SVGRepo_tracerCarrier' stroke-linecap='round' stroke-linejoin='round' /%3E%3Cg id='SVGRepo_iconCarrier'%3E%3Cpath d='M853.333333 256H469.333333l-85.333333-85.333333H170.666667c-46.933333 0-85.333333 38.4-85.333334 85.333333v170.666667h853.333334v-85.333334c0-46.933333-38.4-85.333333-85.333334-85.333333z' fill='%233674e7' /%3E%3Cpath d='M853.333333 256H170.666667c-46.933333 0-85.333333 38.4-85.333334 85.333333v426.666667c0 46.933333 38.4 85.333333 85.333334 85.333333h682.666666c46.933333 0 85.333333-38.4 85.333334-85.333333V341.333333c0-46.933333-38.4-85.333333-85.333334-85.333333z' fill='%236495ed' /%3E%3C/g%3E%3C/svg%3E"); } ``` Replace the SVG data URI (`url("data:image/svg+xml,...")`) with your desired SVG icon content. ## Previews of included themes ### alpenglow-dark ![alpenglow-dark](screenshots/alpenglow-dark.png) ### alpenglow ![alpenglow](screenshots/alpenglow.png) ### aritim-dark ![aritim-dark](screenshots/aritim-dark.png) ### aritim ![aritim](screenshots/aritim.png) ### autumn ![autumn](screenshots/autumn.png) ### carnation ![carnation](screenshots/carnation.png) ### catpuccin ![catpuccin](screenshots/catpuccin.png) ### cornflower ![cornflower](screenshots/cornflower.png) ### default-dark ![default-dark](screenshots/default-dark.png) ### default ![default](screenshots/default.png) ### ivy ![ivy](screenshots/ivy.png) ### kjoe ![kjoe](screenshots/kjoe.png) ### monokai-vibrant ![monokai-vibrant](screenshots/monokai-vibrant.png) ### rainbow ![rainbow](screenshots/rainbow.png) ### spring ![spring](screenshots/spring.png) ### steam ![steam](screenshots/steam.png) ### summer ![summer](screenshots/summer.png) ### sunflower ![sunflower](screenshots/sunflower.png) ### winter ![winter](screenshots/winter.png)