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