Element block pseudo-class :active generated with height auto display block font-weight normal z-index auto overflow hidden border-radius outline none cursor default box-sizing content-box float none transition opacity 1 line-height 1 background transform margin 0px font-size 16px width 160px position static padding 20px border 0px rgba(0,0,0,1) solid text-shadow 1px 1px 1px rgba(0,0,0,0.2) box-shadow 1px 1px 1px rgba(0,0,0,0.3)