Sablon:WarningBox/styles.css

.warning-box {
  border: 1px solid var(--border-color-warning,#987027);
  background-color: var(--background-color-warning-subtle, #fdf2d5);
  padding: 10px 10px 10px 40px;
  margin: 10px 0;
  border-radius: 5px;
  position: relative;
}

.warning-icon {
  background-color: #ffcc00;
  color: #fff;
  border-radius: 50%;
  width: 1.3em;
  height: 1.3em;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  position: absolute;
  left: 10px;
  top: 50%;
  transform: translateY(-50%);
  font-weight: bold;
  font-size: 3em;
}