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