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