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