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