@import url("resource://css_accordion/reset.css"); * { transition-property: color, background-color, border-color, background-image, padding, border-width; transition-duration: 1s; font: Cantarell 20px; } window { background: linear-gradient(153deg, #151515, #151515 5px, transparent 5px) 0 0, linear-gradient(333deg, #151515, #151515 5px, transparent 5px) 10px 5px, linear-gradient(153deg, #222, #222 5px, transparent 5px) 0 5px, linear-gradient(333deg, #222, #222 5px, transparent 5px) 10px 10px, linear-gradient(90deg, #1b1b1b, #1b1b1b 10px, transparent 10px), linear-gradient(#1d1d1d, #1d1d1d 25%, #1a1a1a 25%, #1a1a1a 50%, transparent 50%, transparent 75%, #242424 75%, #242424); background-color: #131313; background-size: 20px 20px; } button { color: black; background-color: #bbb; border-style: solid; border-width: 2px 0 2px 2px; border-color: #333; padding: 12px 4px; } button:first-child { border-radius: 5px 0 0 5px; } button:last-child { border-radius: 0 5px 5px 0; border-width: 2px; } button:hover { padding: 12px 48px; background-color: #4870bc; } button *:hover { color: white; } button:hover:active, button:active { background-color: #993401; }