Tecnología en el mundo de la Fórmula 1: .ig-b- { display: inline-block; } .ig-b- img { visibility: hidden; } .ig-b-:hover { background-position: 0 -60px; } .ig-b-:active { background-position: 0 -120px; } .ig-b-48 { width: 48px; height: 48px; background: url(//badges.instagram.com/static/images/ig-badge-sprite-48.png) no-repeat 0 0; } @media only screen and (-webkit-min-device-pixel-ratio: 2), only screen and (min--moz-device-pixel-ratio: 2), only screen and (-o-min-device-pixel-ratio: 2 / 1), only screen and (min-device-pixel-ratio: 2), only screen and (min-resolution: 192dpi), only screen and (min-resolution: 2dppx) { .ig-b-48 { background-image: url(//badges.instagram.com/static/images/ig-badge-sprite-48@2x.png); background-size: 60px 178px; } }