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