:root, .light:root { --background-color: white; --font-color: black; --primary-color: cyan; --secondary-color: #ff0080; /* Note that the names of the icons are the opposite to the scheme they're used in */ --theme-toggle-icon: url("/icons/dark-theme.svg"); --phone-icon: url("/icons/phone-dark.svg"); }.dark:root { --background-color: black; --font-color: white; --theme-toggle-icon: url("/icons/light-theme.svg"); --phone-icon: url("/icons/phone-light.svg"); }@media (prefers-color-scheme: dark) { :root:not(.light) { --background-color: black; --font-color: white; --theme-toggle-icon: url("/icons/light-theme.svg"); --phone-icon: url("/icons/phone-light.svg"); } }.theme-toggle-icon { background-image: var(--theme-toggle-icon); }.phone-icon { background-image: var(--phone-icon); }* { box-sizing: border-box; }:root { font-family: helvetica, arial, sans-serif; background-color: var(--background-color); color: var(--font-color); }body { margin: 0; transition: background-color ease-in 250ms; }h1 a { text-decoration: line-through; text-align: center; }a { color: var(--secondary-color); font-weight: bold; }.container { display: flex; flex-direction: column; align-items: center; width: 30em; margin: auto; }@media (max-width: 33em) { .container { width: 95%; } }.phones { display: flex; flex-direction: column; width: 100%; align-items: center; }.phones > a { margin-bottom: 1em; }.phone-icon { height: 24px; width: 24px; display: inline-block; color: var(--font-color); fill: var(--background-color); }.buttons { display: flex; flex-wrap: wrap; justify-content: center; }button, .buttons a { background: var(--primary-color); font-weight: 600; color: black; padding: 0.5em; border-radius: 3px; text-decoration: none; box-shadow: 2px 2px 0 0 var(--font-color); margin: 0.5em; height: 2em; }button:hover, .buttons a:hover { background: lightblue; }button:active, .buttons a:active { box-shadow: none; }.resource, form, details { border: 1px solid var(--font-color); border-radius: 3px; padding-left: 1em; padding-right: 1em; margin-bottom: 1em; }section > header { display: flex; justify-content: space-between; }.categories { margin-top: 1em; }form input { width: 100%; }form textarea { width: 100%; }button { font-size: 1em; outline: none; border: none; }details { padding: 1em; width: 100%; margin-bottom: 0; }details > p:last-of-type { margin-bottom: 0; }summary { cursor: pointer; }#error { color: red; }h3 { padding-top: 40px; margin-top: -20px; }.theme-toggle { cursor: pointer; position: fixed; display: flex; flex-direction: column; justify-content: center; align-items: center; right: 1.5rem; bottom: 1rem; border: 2px solid var(--font-color); background-color: var(--font-color); box-shadow: 2px 2px 0 0 var(--font-color); transition: border ease-in 250ms, background-color ease-in 250ms, box-shadow ease-in 250ms; border-radius: 100%; height: 34px; width: 38px; padding: 0; }.theme-toggle:hover { background: gray; }.theme-toggle-icon { height: 26px; width: 26px; display: flex; background-repeat: no-repeat; background-size: 100%; }