Element block pseudo-class :active generated with line-height 1 background position static text-shadow 1px 1px 1px rgba(0,0,0,0.2) float none font-size 16px z-index auto cursor crosshair padding 20px width 160px border-radius transition margin 25px border 0px rgba(0,0,0,1) solid height auto box-sizing content-box transform overflow hidden box-shadow 1px 1px 1px rgba(0,0,0,0.3) opacity 0.51 display inline-block font-weight normal