1 .collection-bar {2 border-top: solid silver 1px;3 margin-top: 16px;4 margin-left: 48px;5 margin-right: 48px;6 }7 8 .collection-tap {9 height: 8px;10 background: black;11 width: 32px;12 margin-top: -4px;13 -webkit-transition: margin 0.5s ease-in-out;14 -moz-transition: margin 0.5s ease-in-out;15 -o-transition: margin 0.5s ease-in-out;16 transition: margin 0.5s ease-in-out;17 }Enlace
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