el-date-picker, DateTimePicker 日期時間選擇器樣式更改

效果如下：

<el-date-picker
      v-model="value1"
      type="datetimerange"
      start-placeholder="開始日期"
      end-placeholder="結束日期"
      :default-time="['12:00:00']">
    </el-date-picker>
           

element 的時間範圍篩選器元件樣式更改

/* 月曆樣式 */
.el-picker-panel {
  background: #1b3e6f !important;
  color: #ffffff;
  border: 1px solid #93bee7 !important;
}
.el-picker-panel .el-date-range-picker__time-header {
  border-bottom: 1px solid #93bee7 !important;
}
.el-picker-panel__icon-btn {
  width: 8px;
  height: 10px;
  color: #5a81fd !important;
}
.el-picker-panel .el-input__inner {
  background-color: #19466f;
  border: #75ebf2;
  color: #e8fdff;
}
.el-picker-panel .el-date-range-picker__content.is-left,
.el-picker-panel .el-date-range-picker__content.is-right {
  border-right: 1px solid #93bee7 !important;
  background: url(./images/矩形.png) center center;
  background-size: 100% 100%;
}
.el-picker-panel .el-date-range-picker__header {
  color: #75ebf2;
}
.el-picker-panel .el-date-table th {
  color: #c3e3ec;
}
.el-picker-panel .el-date-table td.available {
  width: 14px;
  height: 14px;
  font-size: 16px;
  font-family: Source Han Sans CN;
  font-weight: bold;
  color: #6ce6cb;
}
.el-picker-panel .el-date-table td.available:hover {
  color: #ffffff;
}
.el-date-table td.in-range div,
.el-date-table td.in-range div:hover,
.el-date-table.is-week-mode .el-date-table__row.current div,
.el-date-table.is-week-mode .el-date-table__row:hover div {
  background-color: #4c77b3 !important;
}
.el-time-panel {
  background-color: #1b3e6f !important;
  border: 1px solid #93bee7 !important;
}
.el-time-spinner__item {
  color: #c3e3ec !important;
}
.el-time-spinner__item:hover:not(.disabled):not(.active) {
  background: #4c77b3 !important;
}
.el-time-panel__btn {
  color: #adcfff !important;
}
.el-picker-panel__footer {
  background-color: #1b3e6f !important;
}
.el-picker-panel .el-button {
  width: 36px;
  height: 18px;
  font-size: 18px;
  font-family: Source Han Sans CN;
  font-weight: bold;
  color: #1475e3;
}
.el-icon-d-arrow-left {
  color: #1475e3 !important;
}
.el-button.is-disabled,
.el-button.is-disabled:focus,
.el-button.is-disabled:hover {
  color: #1475e3 !important;
  margin-left: -20px !important;
}
.el-button + .el-button {
  width: 92px;
  height: 40px;
  background: url(./images/圓角矩形.png) center center !important;
  background-size: 115% 130% !important;
  border: 1px solid #1475e3 !important;
  border-radius: 4px !important;
}
.el-button {
  width: 92px;
  height: 40px;
  border: 1px solid #1475e3;
  border-radius: 4px;
}
.el-button--text {
  display: none;
  width: 92px;
  height: 40px;
  border: 1px solid #1475e3;
  border-radius: 4px;
}
.el-button.is-disabled.is-plain,
.el-button.is-disabled.is-plain:focus,
.el-button.is-disabled.is-plain:hover {
  width: 92px;
  height: 40px;
  background: url(./images/圓角矩形.png) center center !important;
  background-size: 115% 130% !important;
  border: 1px solid #1475e3 !important;
  border-radius: 4px !important;
}
.el-button--text,
.el-button--text.is-disabled,
.el-button--text.is-disabled:focus,
.el-button--text.is-disabled:hover,
.el-button--text:active {
  display: none !important;
}
.el-date-table th {
  border-bottom: 1px solid #293f6f !important;
}
/* 時間篩選 */
.el-time-panel__content::after,
.el-time-panel__content::before {
  border-bottom: 1px solid #293f6f !important;
  border-top: 1px solid #293f6f !important;
}
.el-time-panel {
  background-color: #040d27 !important;
}
.el-time-panel__btn.confirm {
  background-color: #040d27 !important;
  color: #1475e3 !important;
}
.el-time-panel__btn.cancel {
  background-color: #040d27 !important;
  color: #6397d1 !important;
}
.el-time-panel__footer {
  border-top: none !important;
}
.el-time-panel {
  border: none;
  border-top: 2px solid #293f6f !important;
}