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