.custom-select-container {
  position: relative;
  box-sizing: border-box;
}
.custom-select-container * {
  box-sizing: border-box;
}
.custom-select-container.is-disabled {
  opacity: .333;
}
.custom-select-opener {
  background-color: #fff;
  padding: .5rem 1.5rem;
  display: block;
  cursor: pointer;
  width: 100%;

  background-image: url("data:image/svg+xml,%3Csvg width='15' height='9' viewBox='0 0 15 9' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M7.24707 8.29257C7.07966 8.29257 6.91768 8.26118 6.76115 8.1984C6.60378 8.13562 6.47278 8.05192 6.36815 7.94728L0.592361 2.1715C0.362167 1.9413 0.24707 1.64833 0.24707 1.29257C0.24707 0.936819 0.362167 0.643845 0.592361 0.41365C0.822556 0.183456 1.11553 0.0683594 1.47129 0.0683594C1.82704 0.0683594 2.12002 0.183456 2.35021 0.41365L7.24707 5.31051L12.1439 0.41365C12.3741 0.183456 12.6671 0.0683594 13.0229 0.0683594C13.3786 0.0683594 13.6716 0.183456 13.9018 0.41365C14.132 0.643845 14.2471 0.936819 14.2471 1.29257C14.2471 1.64833 14.132 1.9413 13.9018 2.1715L8.12599 7.94728C8.00043 8.07284 7.86441 8.16157 7.71792 8.21347C7.57143 8.2662 7.41448 8.29257 7.24707 8.29257Z' fill='%23707070'/%3E%3C/svg%3E%0A");
  background-repeat: no-repeat;
  background-position: calc(100% - 1.5rem) 50%;
}
.custom-select-container select {
  visibility: hidden;
  position: absolute;
  top: 0;
  left: 0;
}
.custom-select-panel {
  max-height: 0;
  transition: max-height .5s ease-out, overflow-y 0.1s 0.5s;
  overflow: hidden;
  background-color: #e9e9e9;
  position: absolute;
  top: 100%;
  z-index: 1;
  width: 100%;
}
.custom-select-container.is-open .custom-select-panel {
  max-height: 10.7em;
  overflow-y: auto
}
.custom-select-option {
  padding: 0.5em;
}
.custom-select-option.has-focus {
  background-color: LightBlue;
}
.custom-select-option.is-selected::before {
  content: "✔";
  padding-right: 0.5em;
}
.custom-select-optgroup > .custom-select-option {
  padding-left: 2em;
}
.custom-select-optgroup::before {
  content: attr(data-label);
  display: block;
  padding: 0.5em;
  color: #888;
}