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