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