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