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