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