.opener{-webkit-transition:opacity .5s ease-in-out;transition:opacity .5s ease-in-out;z-index:10000000}.opener__spinner{-webkit-animation:rotate360 1s linear infinite;animation:rotate360 1s linear infinite;border:3px solid #fff;border-left-color:transparent;border-radius:50%;height:2rem;position:absolute;-webkit-transition:opacity .2s ease-in-out;transition:opacity .2s ease-in-out;width:2rem}