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