Единичный максимум и рабочий вес

правильная подпись <style>.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-24 { width: 24px; height: 24px; background: url(//badges.instagram.com/static/images/ig-badge-sprite-24.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-24 { background-image: url(//badges.instagram.com/static/images/ig-badge-sprite-24@2x.png); background-size: 60px 178px; } }</style> <a href="http://instagram.com/dima_bolbas?ref=badge" class="ig-b- ig-b-24"><img src="//badges.instagram.com/static/images/ig-badge-24.png" alt="Instagram" /></a>