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