.logo-img{height:6vw;max-height:50px;width:auto;object-fit:contain;vertical-align:middle;margin-right:8px}header.background-header{position:fixed!important;background-color:#fff!important;top:0;box-shadow:0 1px 10px #0000001a;transition:background-color .3s ease-in-out}header{position:fixed;top:0;left:0;width:100%;z-index:1000;transition:background-color .3s ease,box-shadow .3s ease;background-color:transparent}@media(max-width:768px){.logo-img{height:8vw;max-height:40px}}