Element block pseudo-class :active generated with float none position static border 0px rgba(0,0,0,1) solid width 300px line-height 1 height 0px background font-weight normal overflow hidden transform box-sizing content-box opacity 0.78 border-radius box-shadow 1px 1px 1px rgba(0,0,0,0.3) font-size 16px padding 20px display block margin 12px cursor default text-shadow 1px 1px 1px rgba(0,0,0,0.2) transition z-index auto