Element block pseudo-class :active generated with font-weight normal overflow hidden width 100% outline none line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) border-radius background height 0% float none border 0px rgba(0,0,0,1) solid cursor default margin -15px font-size 16px position static display block box-sizing content-box transition transform opacity 1 padding 20px z-index auto box-shadow 1px 1px 1px rgba(0,0,0,0.3)