Element block pseudo-element :before generated with border 0px rgba(0,0,0,1) solid z-index auto font-weight normal background height auto box-shadow 4px 1px 1px rgba(0,0,0,0.3) transform box-sizing content-box font-size 16px float none position static outline none line-height 1 padding 20px transition overflow hidden border-radius display block width 160px opacity 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) margin 0px cursor default