Element button pseudo-class :active generated with line-height 1 transition overflow hidden box-sizing content-box padding 20px float none z-index auto display block border 0px rgba(0,0,0,1) solid box-shadow 4px 1px 1px rgba(0,0,0,0.3) margin 0px cursor default border-radius text-shadow 1px 1px 1px rgba(0,0,0,0.2) height auto background transform font-weight normal font-size 16px position static width 160px