metamask-extension/ui/components/app/edit-gas-fee-popover/network-statistics/status-slider/index.scss

.status-slider {
  display: flex;
  flex-direction: column;
  justify-content: center;
  width: 56px;

  &__line {
    background-image: linear-gradient(to right, #037dd6, #d73a49);
    height: 4px;
    width: 100%;
    border-radius: 100px;
    display: block;
  }

  &__label {
    font-size: 10px;
    font-weight: bold;
    margin-top: 4px;
    text-align: center;
  }

  &__arrow-container {
    margin-left: -10px;
    width: 100%;
  }

  &__arrow-border {
    width: 0;
    height: 0;
    border-left: 10px solid transparent;
    border-right: 10px solid transparent;
    border-top: 10px solid white;
    position: relative;
    margin-bottom: -2px;
  }

  &__arrow {
    width: 0;
    height: 0;
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 5px solid black;
    position: absolute;
    bottom: 3px;
    left: -5px;
  }
}