Element block pseudo-class :active generated with border-radius overflow hidden opacity 0.42 font-size 16px position static box-shadow 1px 1px 1px rgba(0,0,0,0.3) width 160px font-weight normal cursor default display block margin 0px border 0px rgba(0,0,0,1) solid float none text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto line-height 1 padding 20px z-index auto transform box-sizing content-box background transition