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