.multi-select {
  font-family: inherit;
  font-size: 16px;
  height: 1.2em;
  box-sizing: border-box;
  cursor: default;
  position: relative;
  width: 200px;
}

.multi-select select {
  border: 0;
  display: inline-block;
  height: 0;
  padding: 0;
  position: absolute;
  visibility: hidden;
  width: 0;
}

.multi-select div {
  margin: 0;
}

.multi-select .multi-select-display {
  background-color: #fff;
  border: solid 1px #a9a9a9;
  border-radius: 0.1em;
  box-sizing: border-box;
  font-size: 80%;
  height: 100%;
  overflow: hidden;
  padding: 1px 20px 1px 4px;
  position: relative;
  white-space: nowrap;
}

.multi-select .multi-select-display::before {
  background-color: #fff;
  content: '';
  height: 100%;
  position: absolute;
  right: 0;
  top: 0;
  width: 18px;
}

.multi-select .multi-select-display::after {
  border-color: #000 transparent transparent;
  border-style: solid;
  border-width: 0.5em 0.25em;
  content: '';
  height: 0;
  position: absolute;
  right: 0.45em;
  top: 0.4em;
  width: 0;
}

.multi-select .multi-select-options {
  display: none;
}

.multi-select-options-overlay {
  margin: 0;
  position: absolute;
  top: 0;
  left: 0;
  height: 0;
  width: 0;
  overflow: visible;
  z-index: 1000;
}

.multi-select-options-overlay .multi-select-options {
  background-color: #fff;
  border: solid 1px #a9a9a9;
  box-sizing: border-box;
  font-size: 80%;
  position: absolute;
  min-width: 0;
  margin: 0;
  width: auto;
  overflow: auto;
}

.multi-select-options-overlay .multi-select-options .option {
  margin: 0;
}

.multi-select-options-overlay .multi-select-options .option label {
  box-sizing: border-box;
  display: block;
  padding: 1px 4px 1px 1px;
  white-space: nowrap;
  width: 100%;
}

.multi-select-options-overlay .multi-select-options .option label:hover {
  background-color: #39f;
  color: #fff;
}