engineN/public/theme/custom/MultiSelect.css

.multi-select {
  display: flex;
  box-sizing: border-box;
  flex-direction: column;
  position: relative;
  width: 100%;
  user-select: none;
}
.multi-select .multi-select-header {
  border: 1px solid #dee2e6;
  padding: 7px 30px 7px 12px;
  overflow: hidden;
  gap: 7px;
  min-height: 45px;
}
.multi-select .multi-select-header::after {
  content: "";
  display: block;
  position: absolute;
  top: 50%;
  right: 15px;
  transform: translateY(-50%);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='%23949ba3' viewBox='0 0 16 16'%3E%3Cpath d='M8 13.1l-8-8 2.1-2.2 5.9 5.9 5.9-5.9 2.1 2.2z'/%3E%3C/svg%3E");
  height: 12px;
  width: 12px;
}
.multi-select .multi-select-header.multi-select-header-active {
  border-color: #c1c9d0;
}
.multi-select .multi-select-header.multi-select-header-active::after {
  transform: translateY(-50%) rotate(180deg);
}
.multi-select .multi-select-header.multi-select-header-active + .multi-select-options {
  display: flex;
}
.multi-select .multi-select-header .multi-select-header-placeholder {
  color: #65727e;
}
.multi-select .multi-select-header .multi-select-header-option {
  display: inline-flex;
  align-items: center;
  background-color: #f3f4f7;
  font-size: 14px;
  padding: 3px 8px;
  border-radius: 5px;
}
.multi-select .multi-select-header .multi-select-header-max {
  font-size: 14px;
  color: #65727e;
}
.multi-select .multi-select-options {
  display: none;
  box-sizing: border-box;
  flex-flow: wrap;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 999;
  margin-top: 5px;
  padding: 5px;
  background-color: #fff;
  border-radius: 5px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
  max-height: 200px;
  overflow-y: auto;
  overflow-x: hidden;
}
.multi-select .multi-select-options::-webkit-scrollbar {
  width: 5px;
}
.multi-select .multi-select-options::-webkit-scrollbar-track {
  background: #f0f1f3;
}
.multi-select .multi-select-options::-webkit-scrollbar-thumb {
  background: #cdcfd1;
}
.multi-select .multi-select-options::-webkit-scrollbar-thumb:hover {
  background: #b2b6b9;
}
.multi-select .multi-select-options .multi-select-option, .multi-select .multi-select-options .multi-select-all {
  padding: 4px 12px;
  height: 42px;
}
.multi-select .multi-select-options .multi-select-option .multi-select-option-radio, .multi-select .multi-select-options .multi-select-all .multi-select-option-radio {
  margin-right: 14px;
  height: 16px;
  width: 16px;
  border: 1px solid #ced4da;
  border-radius: 4px;
}
.multi-select .multi-select-options .multi-select-option .multi-select-option-text, .multi-select .multi-select-options .multi-select-all .multi-select-option-text {
  box-sizing: border-box;
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: inherit;
  font-size: 16px;
  line-height: 20px;
}
.multi-select .multi-select-options .multi-select-option.multi-select-selected .multi-select-option-radio, .multi-select .multi-select-options .multi-select-all.multi-select-selected .multi-select-option-radio {
  border-color: #40c979;
  background-color: #40c979;
}
.multi-select .multi-select-options .multi-select-option.multi-select-selected .multi-select-option-radio::after, .multi-select .multi-select-options .multi-select-all.multi-select-selected .multi-select-option-radio::after {
  content: "";
  display: block;
  width: 3px;
  height: 7px;
  margin: 0.12em 0 0 0.27em;
  border: solid #fff;
  border-width: 0 0.15em 0.15em 0;
  transform: rotate(45deg);
}
.multi-select .multi-select-options .multi-select-option.multi-select-selected .multi-select-option-text, .multi-select .multi-select-options .multi-select-all.multi-select-selected .multi-select-option-text {
  color: #40c979;
}
.multi-select .multi-select-options .multi-select-option:hover, .multi-select .multi-select-options .multi-select-option:active, .multi-select .multi-select-options .multi-select-all:hover, .multi-select .multi-select-options .multi-select-all:active {
  background-color: #f3f4f7;
}
.multi-select .multi-select-options .multi-select-all {
  border-bottom: 1px solid #f1f3f5;
  border-radius: 0;
}
.multi-select .multi-select-options .multi-select-search {
  padding: 7px 10px;
  border: 1px solid #dee2e6;
  border-radius: 5px;
  margin: 10px 10px 5px 10px;
  width: 100%;
  outline: none;
  font-size: 16px;
}
.multi-select .multi-select-options .multi-select-search::placeholder {
  color: #b2b5b9;
}
.multi-select .multi-select-header, .multi-select .multi-select-option, .multi-select .multi-select-all {
  display: flex;
  flex-wrap: wrap;
  box-sizing: border-box;
  align-items: center;
  border-radius: 5px;
  cursor: pointer;
  display: flex;
  align-items: center;
  width: 100%;
  font-size: 16px;
  color: #212529;
}