.sections{height:80px;position:fixed;width:100%;overflow:hidden;z-index:2;top:34px;background-color:rgba(255,255,255,0)}@media screen and (max-width:768px){.sections{overflow:initial}}.nav-background-grey{color:#464646 !important}.back-top{cursor:pointer;width:40px;height:40px;position:fixed;bottom:80px;right:50px;font-size:30px;line-height:40px;color:#fff;text-align:center;display:none;border-radius:20px;font-weight:700;background-size:cover}.back-top:hover{background-color:#fff}