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