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