@font-face { font-family: "Roboto Mono"; src: url("../fonts/roboto-mono-medium.ttf"); } :root { --font: "Roboto Mono"; --background: #0f0e17; --foreground: #fffffe; --pink: #e53170; --red: #f25f4c; --orange: #ff8906; --branch: 1px solid #a7a9be; } html { font-size: 18px; overflow: hidden; } body { background: var(--background); width: 100vw; height: 100vh; margin: 0; display: flex; justify-content: center; align-items: center; } .prompt { font-family: var(--font); color: var(--foreground); } .prompt~.prompt { padding: 1.5rem 0 0.3125rem; } span { color: var(--pink); } h1 { display: inline; font-family: var(--font); font-size: 1rem; font-weight: normal; color: var(--red); cursor: pointer; } .tree > ul { margin: 0; padding-left: 1rem; } ul { list-style: none; padding-left: 2.5rem; } li { position: relative; } li.hideChildren > ul { display: none; } li::before, li::after { content: ""; position: absolute; left: -0.75rem; } li::before { border-top: var(--branch); top: 0.75rem; width: 0.5rem; } li::after { border-left: var(--branch); height: 100%; top: 0.25rem; } li:last-child::after { height: 0.5rem; } a { font-family: var(--font); font-size: 1rem; color: var(--foreground); text-decoration: none; outline: none; } a:hover, a:focus { color: var(--background); background: var(--orange); } form h1 { padding-left: 0.125rem; } /* you can fill the texarea above/below? the Viewport */ #search { font-family: var(--font); font-size: 1rem; color: var(--foreground); background-color: var(--background); border: none; outline: none; position: absolute; width: 50vw; height: 50vh; word-break: break-all; resize:none; }