Element block pseudo-class :active generated with padding 20px box-sizing content-box font-size 16px transition position static height auto overflow hidden background cursor default box-shadow 1px -3px 5px rgba(0,0,0,0.3) border 0px rgba(0,0,0,1) solid line-height 1 margin 0px display block transform border-radius z-index auto width 160px font-weight normal float none text-shadow 1px 1px 1px rgba(0,0,0,0.2)