vikunja-frontend/src/styles/components/gantt.scss

$gantt-border: 1px solid $grey-lighter;
$gantt-vertical-border-color: lighten($grey, 45);

.gantt-chart-container {
  padding-bottom: 1em;
}

.gantt-chart {
  padding: 5px 0;
  overflow-x: auto;

  .dates {
    display: flex;
    text-align: center;

    .months {
      display: flex;

      .month {
        padding: 0.5em 0 0;
        border-right: $gantt-border;
        font-family: $vikunja-font;
        font-weight: bold;

        &:last-child {
          border-right: none;
        }

        .days {
          display: flex;

          .day {
            padding: 0.5em 0;
            font-weight: normal;

            &.today {
              background: $primary;
              color: $white;
              border-radius: 5px 5px 0 0;
              font-weight: bold;
            }

            .theday {
              padding: 0 .5em;
              width: 100%;
              display: block;
            }

            .weekday {
              font-size: 0.8em;
            }
          }
        }
      }
    }
  }

  .tasks {
    max-width: unset !important;
    margin: 0;
    border-top: $gantt-border;

    .row {
      height: 45px;

      .task {
        display: inline-block;
        border: 2px solid $primary;
        background: lighten($primary, 40);
        font-size: 0.85em;
        margin: 0.5em;
        border-radius: 6px;
        padding: 0.25em 0.5em;
        cursor: grab;
        position: relative;

        -webkit-touch-callout: none; // iOS Safari
        -webkit-user-select: none; // Safari
        -khtml-user-select: none; // Konqueror HTML
        -moz-user-select: none; // Firefox
        -ms-user-select: none; // Internet Explorer/Edge
        user-select: none; // Non-prefixed version, currently  supported by Chrome and Opera

        &.is-current-edit {
          border-color: $orange !important;
        }

        &.has-light-text {
          color: $light;

          &.done span:after {
            border-top: 1px solid $light;
          }

          .edit-toggle {
            color: $light;
          }
        }

        &.has-dark-text {
          color: $dark;

          &.done span:after {
            border-top: 1px solid $dark;
          }

          .edit-toggle {
            color: $dark;
          }
        }

        &.done span {
          position: relative;

          &:after {
            content: '';
            position: absolute;
            right: 0;
            left: 0;
            top: 57%;
          }
        }

        span:not(.high-priority) {
          max-width: calc(100% - 20px);
          display: inline-block;
          white-space: nowrap;
          text-overflow: ellipsis;
          overflow: hidden;

          &.has-high-priority {
            max-width: calc(100% - 90px);
          }

          &.has-not-so-high-priority {
            max-width: calc(100% - 70px);
          }

          &.has-super-high-priority {
            max-width: calc(100% - 111px);
          }

          &.icon {
            width: 10px;
            text-align: center;
          }
        }

        .high-priority{
          margin: 0 0 0 .5em;
          vertical-align: bottom;
        }

        .edit-toggle {
          float: right;
          cursor: pointer;
          margin-right: 4px;
        }

        &.nodate {
          border: 2px dashed $grey-light;
          background: lighten($grey-light, 40);
        }

        &:active {
          cursor: grabbing;
        }
      }
    }
  }

  .taskedit {
    position: fixed;
    min-height: 0;
    top: 10vh;
    right: 10vw;
    z-index: 5;

    .card-content {
      max-height: 60vh;
      overflow-y: auto;
    }
  }

  .add-new-task {
    padding: 1em .7em .4em .7em;
    display: flex;
    max-width: 450px;

    .input {
      margin-right: .7em;
      font-size: .8em;
    }

    .button {
      font-size: .68em;
    }
  }
}

.gantt-options {
  display: flex;
  justify-content: space-between;
  align-items: center;

  .range-picker {
    display: flex;
    margin-bottom: 1em;

    .field {
      margin: 0 0 0 .5em;
      max-width: 100px;

      &, .input {
        font-size: .8em;
      }

      .select {
        height: auto;
      }

      select {
        height: auto;
        font-size: 0.75em;
      }

      .label {
        font-size: .9em;
        padding-left: .4em;
      }
    }
  }
}

.vdr.active::before {
  display: none;
}