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