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