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

.demo-block.demo-progress {
  .#{$namespace}-progress--line {
    margin-bottom: 15px;
    width: 350px;
  }

  .#{$namespace}-progress--circle {
    margin-right: 15px;
  }

  .percentage-value {
    display: block;
    margin-top: 10px;
    font-size: 28px;
  }

  .percentage-label {
    display: block;
    margin-top: 10px;
    font-size: 12px;
  }
}