metamask-extension/ui/app/components/gas-customization/gas-price-chart/index.scss

.gas-price-chart {
  display: flex;
  position: relative;

  &__root {
    max-height: 154px;
    max-width: 391px;
    position: relative;
    overflow: hidden;
  }

  .tick text, .c3-axis-x-label, .c3-axis-y-label {
    font-family: Roboto;
    font-style: normal;
    font-weight: bold;
    line-height: normal;
    font-size: 8px;
    text-align: center;
    fill: #9A9CA6 !important;
  }

  .c3-tooltip-container {
    display: flex;
    justify-content: center !important;
    align-items: flex-end !important;
  }

  .custom-tooltip {
    background: rgba(0, 0, 0, 1);
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.25);
    border-radius: 3px;
    opacity: 1 !important;
    height: 21px;
    z-index: 1;
  }

  .tooltip-arrow {
    background: black;
    box-shadow: 0px 4px 4px rgba(0, 0, 0, 0.5);
    /* top: 15px; */
    /* left: 27px; */
    -webkit-transform: rotate(45deg);
    transform: rotate(45deg);
    opacity: 1 !important;
    width: 9px;
    height: 9px;
    /* position: absolute; */
    /* display: inline-block; */
    margin-top: 4px;
  }

  .custom-tooltip th {
    font-family: Roboto;
    font-style: normal;
    font-weight: 500;
    line-height: normal;
    font-size: 10px;
    text-align: center;
    padding: 3px;
    color: #FFFFFF;
  }

  .c3-circle {
    visibility: hidden;
  }

  .c3-selected-circle, .c3-circle._expanded_ {
    fill: #FFFFFF !important;
    stroke-width: 2.4px !important;
    stroke: #2d9fd9 !important;
    /* visibility: visible; */
  }

  #set-circle {
    fill: #313A5E !important;
    stroke: #313A5E !important;
  }

  .c3-axis-x-label, .c3-axis-y-label {
    font-weight: normal;
  }

  .tick text tspan {
    visibility: hidden;
  }

  .c3-circle {
    fill: #2d9fd9 !important;
  }

  .c3-line-data1 {
    stroke: #2d9fd9 !important;
    background: rgba(0,0,0,0) !important;
    color: rgba(0,0,0,0) !important;
  }

  .c3 path {
    fill: none;
  }

  .c3 path.c3-area-data1 {
    opacity: 1;
    fill: #e9edf1 !important;
  }

  .c3-xgrid-line line {
    stroke: #B8B8B8 !important;
  }

  .c3-xgrid-focus {
    stroke: #aaa;
  }

  .c3-axis-x .domain {
    fill: none;
    stroke: none;
  }

  .c3-axis-y .domain {
    fill: none;
    stroke: #C8CCD6;
  }

  .c3-event-rect {
    cursor: pointer;
  }
}

@import url(//fonts.googleapis.com/css?family=Roboto:400,700,300);

#chart {
  background: #F8F9FB
}