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