index.min.css

.option-picker__arrow,.option-picker__option,.option-picker__option-group::before,.option-picker__text,.option-picker__value{align-items:center;border:1px solid;border-color:inherit;display:flex;gap:.25em;padding:0 .25em}.option-picker[data-size] .option-picker__arrow,.option-picker__option[hidden],.option-picker__options:empty,.option-picker__options[hidden],.option-picker__text span br{display:none}.option-picker__option-group,.option-picker__options,.option-picker__values{border-color:inherit;display:flex;flex-wrap:wrap;gap:1px;padding:1px}.option-picker,.option-picker *{box-sizing:border-box;color:inherit;font:inherit;outline:0}.option-picker{border:1px solid;cursor:pointer;display:inline-flex;flex-direction:column;flex-wrap:wrap;position:relative;vertical-align:middle}.option-picker--focus .option-picker__value{background:rgba(0,0,255,.5);outline:solid 1px;outline-offset:-2px}.option-picker--open{z-index:9999}.option-picker--open .option-picker__arrow::after{border-bottom:.5em solid;border-bottom-color:inherit;border-top-width:0}.option-picker--open .option-picker__options{visibility:visible}.option-picker__arrow,.option-picker__text,.option-picker__value{overflow:hidden;position:relative}.option-picker__arrow::after{border-left:.25em solid transparent;border-right:.25em solid transparent;border-top:.5em solid;border-top-color:inherit;content:"";height:0;width:0}.option-picker__self{left:-9999px;position:fixed;top:-9999px}.option-picker__self:disabled+.option-picker{color:grey}.option-picker__self:disabled+.option-picker,.option-picker__self:disabled+.option-picker *{cursor:not-allowed}.option-picker__option{display:block}.option-picker__option--disabled{color:grey;cursor:not-allowed}.option-picker__option--selected{background:rgba(0,0,255,.5)}.option-picker__option:focus,.option-picker__option:where(:not(.option-picker__option--disabled)):hover{outline:solid 1px;outline-offset:-2px}.option-picker__option-group{border:inherit;flex-direction:column}.option-picker__option-group::before{content:attr(data-value);font-weight:700}.option-picker__options{border:inherit;flex-direction:column;flex-wrap:nowrap;left:-1px;margin:0;min-width:calc(100% + 2px);overflow:auto;position:absolute;top:100%;visibility:hidden;white-space:nowrap}.option-picker__text{cursor:text;flex:1}.option-picker__text span{flex:1;position:relative;z-index:1}.option-picker__text span *{display:inline}.option-picker__text span+span{bottom:0;left:0;opacity:.5;padding:inherit;position:absolute;right:0;top:0;white-space:nowrap;z-index:0}.option-picker__value,.option-picker__values{flex:1}.option-picker[data-size] .option-picker__option-group{border-width:1px}.option-picker[data-size] .option-picker__options{border-width:0;min-width:0;padding-top:0;position:static;visibility:visible}