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