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