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