.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: #ccc;padding: 0.5em;display: block;cursor: pointer;width: 100%;}.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;}