.logo-img{margin:0 auto;max-width:180px;width:100%}.logo-img img{filter:grayscale(1);transition:filter .3s ease-in-out}.logo-img:hover img{filter:grayscale(0)}@media(min-width:768px){.logo-version-2:nth-child(2n){border-left:1px solid #ddd;border-right:1px solid #ddd}.logo-version-2:not(:nth-child(-n+3)){border-top:1px solid #ddd}.logo-version-2:first-child{border-left:1px solid #ddd}.logo-version-2:nth-child(3){border-right:1px solid #ddd}}