#product-long-description,.collapsible-module{position:relative;overflow:hidden;max-height:300px;padding:10px;transition:max-height .3s ease}#product-long-description::after,.collapsible-module::after{content:"";position:absolute;bottom:0;left:0;right:0;height:150px;background:linear-gradient(to bottom,rgba(255,255,255,0) 0%,rgba(255,255,255,1) 100%);pointer-events:none;transition:opacity .3s ease}#product-long-description.expanded::after,.collapsible-module.expanded::after{opacity:0}