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