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