mempool/frontend/src/app/components/acceleration-timeline/acceleration-timeline.component.scss

.acceleration-timeline {
  position: relative;
  width: 100%;
  padding: 1em 0;
  &.lower-padding {
    padding: 0.5em 0 1em;
  }

  &::after, &::before {
    content: '';
    display: block;
    position: absolute;
    top: 0;
    bottom: 0;
    width: 2em;
    z-index: 2;
  }

  &::before {
    left: 0;
    background: linear-gradient(to right, var(--box-bg), var(--box-bg), transparent);
  }

  &::after {
    right: 0;
    background: linear-gradient(to left, var(--box-bg), var(--box-bg), transparent);
  }

  .timeline-wrapper {
    position: relative;
    width: calc(100% - 2em);
    margin: auto;
    overflow-x: auto;
    -ms-overflow-style: none;
    scrollbar-width: none;
  
    &::-webkit-scrollbar {
      display: none;
    }
  }

  .intervals, .nodes {
    min-width: 100%;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
    text-align: center;

    .node, .node-spacer {
      width: 6em;
      min-width: 6em;
      flex-grow: 1;
    }

    .interval, .interval-spacer {
      width: 8em;
      min-width: 8em;
      max-width: 8em;
      height: 32px;
      display: flex;
      flex-direction: row;
      justify-content: center;
      align-items: flex-end;
    }

    .interval {
      overflow: visible;
    }

    .interval-time {
      font-size: 12px;
      line-height: 16px;
      white-space: nowrap;

      .compare {
        font-style: italic;
        color: var(--mainnet-alt);
        font-weight: 600;
        @media (max-width: 600px) {
          display: none;
        }
      }
    }
  }

  .node, .interval-spacer {
    position: relative;
    .seen-to-acc {
      position: absolute;
      height: 10px;
      left: -5px;
      right: -5px;
      top: 0;
      transform: translateY(-50%);
      background: var(--primary);
      border-radius: 5px;

      &.left {
        right: 50%;
      }

      &.right {
        left: 50%;
      }
    }

    .acc-to-confirmed {
      position: absolute;
      height: 10px;
      left: -5px;
      right: -5px;
      top: 0;
      transform: translateY(-50%);
      background: var(--tertiary);
      border-radius: 5px;

      &.go-faster {
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='20' height='10'%3E%3Cpath style='fill:%239339f4;' d='M 0,0 5,5 0,10 Z'/%3E%3Cpath style='fill:%23653b9c;' d='M 0,0 10,0 15,5 10,10 0,10 5,5 Z'/%3E%3Cpath style='fill:%239339f4;' d='M 10,0 20,0 20,10 10,10 15,5 Z'/%3E%3C/svg%3E%0A");        background-size: 20px 10px;
        border-radius: 0;

        &.right {
          left: calc(50% + 5px);
          margin-right: calc(-4em + 5px);
          animation: goFasterRight 0.8s infinite linear;
        }
        &.left {
          right: calc(50% + 5px);
          margin-left: calc(-4em + 5px);
          animation: goFasterLeft 0.8s infinite linear;
        }
      }

      &.left {
        right: 50%;
      }
      &.right {
        left: 50%;
      }
    }
  }

  .nodes {
    position: relative;
    margin-top: 1em;
    .node {
      .shape-border {
        display: block;
        margin: auto;
        height: calc(1em + 8px);
        width: calc(1em + 8px);
        margin-bottom: -8px;
        transform: translateY(-50%);
        border-radius: 50%;
        cursor: pointer;
        padding: 4px;
        background: transparent;
    
        .shape {
          position: relative;
          width: 100%;
          height: 100%;
          border-radius: 50%;
          background: white;
          z-index: 1;
        }

        &.waiting {
          .shape {
            background: var(--grey);
          }
        }
    
        .connector {
          position: absolute;
          z-index: 0;
          height: 88px;
          width: 10px;
          left: -5px;
          top: -73px;
          transform: translateX(120%);
          background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='20'%3E%3Cpath style='fill:%239339f4;' d='M 0,20 5,15 10,20 Z'/%3E%3Cpath style='fill:%23653b9c;' d='M 0,20 5,15 10,20 10,10 5,5 0,10 Z'/%3E%3Cpath style='fill:%239339f4;' d='M 0,10 5,5 10,10 10,0 0,0 Z'/%3E%3C/svg%3E%0A");      //     linear-gradient(135deg, var(--tertiary) 34%, transparent 34%),
          background-size: 10px 20px;
    
          &.down {
            border-top-left-radius: 10px;
          }
    
          &.up {
            border-top-right-radius: 10px;
          }
    
          &.loading {
            animation: goFasterUp 0.8s infinite linear;
          }
        }
      }
    
      &.accelerated {
        .shape-border {
          animation: acceleratePulse 0.4s infinite;
        }
      }

      &.selected {
        .shape-border {
          background: var(--mainnet-alt);
        }
      }

      .status {
        margin-top: -64px;

        .badge.badge-waiting {
          opacity: 0.5;
          background-color: var(--grey);
          color: white;
        }
        
        .badge.badge-accelerated {
          background-color: var(--tertiary);
          color: white;
        }
      }

      .time {
        margin-top: 33px;
        font-size: 12px;
        line-height: 16px;
        white-space: nowrap;
      }
    }
  }
}

@keyframes acceleratePulse {
  0% { background-color: var(--tertiary) }
  50% { background-color: var(--mainnet-alt) }
  100% { background-color: var(--tertiary) }
}

@keyframes goFasterUp {
  0% { background-position-y: 0; }
  100% { background-position-y: -40px; }
}

@keyframes goFasterLeft {
  0% { background-position: left 0px bottom 0px }
  100% { background-position: left 40px bottom 0px; }
}

@keyframes goFasterRight {
  0% { background-position: right 0 bottom 0px; }
  100% { background-position: right -40px bottom 0px; }
}