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