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