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