.collapsible{position:relative;background-color:#30343f00;color:#6df6ff;cursor:pointer;padding:18px 18px 20px;width:100%;border:1px solid #6df6ff00;border-bottom:1px solid #6df6ff;text-align:center;font-size:16px;z-index:4;border-radius:0}.content-exp{padding:0 18px;display:none;overflow:hidden;background-color:#000;color:rgba(255,255,255,.8);font-size:12px;max-width:1170px;margin:10px auto;text-align:center}