.flex {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
}
.flex-vertical-center {
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.flex-horizontal-center {
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.flex-all-center {
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.dr-tree-select {
  width: 100%;
}
.dr-tree-select-selector {
  width: 100%;
  height: 32px;
  position: relative;
  background-color: #fff;
  border: 1px solid #d9d9d9;
  border-radius: 2px;
  -webkit-transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  transition: all 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  padding: 1px 6px;
  -webkit-box-sizing: border-box;
  box-sizing: border-box;
}
.dr-tree-select-selector-placeholder {
  height: 100%;
  color: #bfbfbf;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.dr-tree-select-selector .rc-overflow {
  position: relative;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-flex: 1;
  -ms-flex: auto;
  flex: auto;
  -ms-flex-wrap: wrap;
  flex-wrap: wrap;
  max-width: 100%;
  height: 100%;
}
.dr-tree-select-selector .rc-overflow-item {
  max-width: 100%;
  height: 100%;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
}
.dr-tree-select-disabled .dr-tree-select-selector {
  background-color: #f5f5f5;
  cursor: not-allowed;
}
.dr-tree-select-disabled .dr-tree-select-selector .ant-tag {
  background: #e7e7e7;
  color: #adadad;
}
.dr-tree-select-dropdown.dr-dropdown-panel {
  padding: 0;
}
.dr-tree-select-dropdown-search {
  padding: 8px;
}
.dr-tree-select-dropdown-empty {
  height: var(--height);
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: center;
  -ms-flex-pack: center;
  justify-content: center;
}
.dr-tree-select-dropdown-footer {
  border-top: 1px solid #dddee2;
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -ms-flex-align: center;
  align-items: center;
  -webkit-box-pack: justify;
  -ms-flex-pack: justify;
  justify-content: space-between;
  padding: 12px;
}