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