Element block pseudo-class :active generated with padding 20px box-sizing content-box z-index auto font-size 20px display inline-block box-shadow 0px 1px 0px rgb(119,119,119) text-shadow 0px 1px 0px #FFFFFF line-height 40px float none margin 0px border-radius cursor pointer width auto opacity 1 border 0px rgba(0,0,0,1) solid height auto transform position static status transition outline none overflow visible font-weight bold background