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