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