.beefup{border:1px solid #ddd;border-radius:4px;margin:1em 0;-webkit-transition:border .2s ease;transition:border .2s ease;}
.beefup:first-child{margin-top:0;}
.beefup:hover{border-color:#aaa;}
.beefup__head, .beefup__body{padding:10px 20px;}
.beefup__head{cursor:pointer;margin:0;overflow:hidden;padding-right:50px;position:relative;text-overflow:ellipsis;white-space:nowrap;}
.beefup__head::after{border-style:solid;border-width:10px 10px 0;border-color:#00adf0 transparent transparent;content:'';position:absolute;right:20px;height:0;margin-top:-5px;top:50%;-webkit-transition:border .2s ease;transition:border .2s ease;width:0;}
.beefup__body{padding-top:20px;}
.beefup.is-open > .beefup__head::after{border-width:0 10px 10px;border-color:transparent transparent #00adef;}