Element button pseudo-element :before generated with width 140px background font-size 16px text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px float none border-radius line-height 1 cursor default transition box-sizing content-box z-index auto overflow hidden opacity 1 border 0px rgba(0,0,0,1) solid transform font-weight normal outline none height auto box-shadow 1px 1px 1px rgba(0,0,0,0.3) display block position static margin 10px