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