multiselect-dropdown.css

.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:.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:.5em .25em;content:'';height:0;position:absolute;right:.45em;top:.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}