Element block pseudo-class :active generated with display block background border 0px rgba(0,0,0,1) solid z-index auto margin 10px transition overflow hidden font-weight bold width 160px float none position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) line-height 1 cursor default transform box-shadow 1px 1px 1px rgba(0,0,0,0.3) height auto box-sizing content-box font-size 24px border-radius padding 20px