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