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