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