superlint/.automation/test/css/css_good_01.css

/**
 * Multi-line comment
 */

.selector-1,
.selector-2,
.selector-3[type="text"] {
  background: linear-gradient(#fff, rgb(0 0 0 / 80%));
  box-sizing: border-box;
  display: block;
  color: #333;
}

.selector-a,
.selector-b:not(:first-child) {
  padding: 10px !important;
  top: calc(calc(1em * 2) / 3);
}

.selector-x { width: 10%; }
.selector-y { width: 20%; }
.selector-z { width: 30%; }