.height-spoiler__content{overflow:hidden;transition:height .2s ease}.height-spoiler__button{margin-top:20px}.height-spoiler.hasBefore .height-spoiler__content{position:relative}.height-spoiler.hasBefore .height-spoiler__content:before{background-image:linear-gradient(0deg,#fff 0,#fff0);bottom:0;content:"";display:block;height:40%;left:0;position:absolute;width:100%;z-index:3}