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