دليل CSS وتصميم الواجهات الشامل

.container {
  color: blue;
}

#header {
  background: #333;
}

a:hover {
  color: orange;
}

.box {
  width: 300px;
  padding: 20px;
  border: 2px solid black;
  margin: 10px;
}

.parent {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
}

.grid-container {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

@media (max-width: 768px) {
  .grid-container {
    grid-template-columns: 1fr;
  }
}

:root {
  --main-color: #f97316;
}

.button {
  background: var(--main-color);
}