#language-level {
  display: flex;

  p {
    padding-top: 7px;
    flex: 100;
  }

  .hsk-slider {
    width: 82%;
  }

  .md-track-ticks {
  }

  md-slider .md-sign {
    display: none;
    top: -26px;
  }

  md-slider .md-thumb {
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
  }
}


#language-level {
  display: flex;
  background: -webkit-linear-gradient(top, white, rgba(255,255,255,0.3));
  background: linear-gradient(to top, white, rgba(255,255,255,0.3));

  p {
    padding-top: 7px;
    flex: 100;
  }

  .hsk-slider {
    width: 82%;
  }

  .md-track-ticks {
  }

  md-slider .md-sign {
    display: none;
    top: -26px;
  }

  md-slider .md-thumb {
    -webkit-transform: scale(0.9);
    transform: scale(0.9);
  }
}


Add transparent gradient to slider background
Add transparent gradient to slider background
