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