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