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