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