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