mempool/frontend/src/app/components/accelerate-checkout/accelerate-fee-graph.component.scss

.fee-graph {
  height: 100%;
  min-width: 120px;
  width: 120px;
  margin-left: 4em;
  margin-right: 1.5em;

  .column {
    width: 100%;
    height: 100%;
    position: relative;
    background: var(--stat-box-bg);

    .bar {
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      min-height: 30px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;

      .fill {
        position: absolute;
        left: 0;
        right: 0;
        top: 0;
        bottom: 0;
        opacity: 0.75;
        pointer-events: none;
      }

      .fee {
        font-size: 0.9em;
        opacity: 0;
        pointer-events: none;
      }

      .spacer {
        width: 100%;
        height: 1px;
        flex-grow: 1;
        pointer-events: none;
      }

      .line {
        position: absolute;
        right: 0;
        top: 0;
        left: -4.5em;
        border-top: dashed white 1.5px;

        .fee-rate {
          width: 100%;
          position: absolute;
          left: 0;
          right: 0.2em;
          font-size: 0.8em;
          display: flex;
          flex-direction: row-reverse;
          justify-content: space-between;
          margin: 0;

          .label {
            margin-right: .2em;
          }

          .rate .symbol {
            color: white;
          }
        }
      }

      &.tx {
        .fill {
          background: var(--green);
        }
        .line {
          .fee-rate {
            top: 0;
          }
        }
        .fee {
          position: absolute;
          opacity: 1;
          z-index: 11;
        }
      }

      &.target {
        .fill {
          background: var(--tertiary);
        }
        .fee {
          position: absolute;
          opacity: 1;
          z-index: 11;
        }
        .line .fee-rate {
          bottom: 2px;
        }
      }

      &.max {
        cursor: pointer;
        .line .fee-rate {
          .label {
            opacity: 0;
          }
          bottom: 2px;
        }
        &.active, &:hover {
          .fill {
            background: var(--primary);
          }
          .line {
            .fee-rate .label {
              opacity: 1;
            }
          }
        }
      }

      &:hover {
        .fill {
          z-index: 10;
        }
        .line {
          z-index: 11;
        }
        .fee {
          opacity: 1;
          z-index: 12;
        }
      }
    }

    &:hover > .bar:not(:hover) {
      &.target, &.max {
        .fee {
          opacity: 0;
        }
        .line .fee-rate .label {
          opacity: 0;
        }
      }
      &.max {
        .fill {
          background: none;
        }
      }
    }
  }
}