.theme-btn-one:before{background:#154261;border-radius:5px;content:"";height:100%;left:0;opacity:0;position:absolute;top:0;transition:all .5s ease;width:0;z-index:-1}.main-header .menu-right-content li .theme-btn-one{box-shadow:none;font-weight:400;letter-spacing:2px;margin:5px 0 0;padding:10px 20px}