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