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