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