element-plus/website/demo-styles/typography.scss

.demo-typo-size {
  .color-dark-light {
    color: var(--el-text-color-secondary);
  }
}
.demo-term-box img {
  width: 24%;
  margin: 0 4% 20px 0;
}

.lineH-left {
  display: inline-block;
  height: 80px;
}
.lineH-right {
  display: inline-block;
  list-style: none;
  padding: 0 0 0 90px;
  margin: 0;
  vertical-align: top;
}
.lineH-right li {
  font-size: 13px;
  color: var(--el-text-color-regular);
  height: 20px;
  line-height: 20px;
}
.lineH-right li span {
  padding-left: 40px;
}