* { box-sizing: border-box; } html { line-height: 1.6; } body { margin: 0; font-family: sans-serif; background: $dark-color; color: $light-color; } h1, h2, h3, h4, h5, h6 { color: $lightest-color; } a { color: $primary-color; text-decoration: none; &:hover { color: $lightest-color; transition: color 0.8s; } } pre { overflow: auto; }