Element block pseudo-element :before generated with float none position absolute opacity 0.60 border-radius cursor default display block height auto width 0px border 0px rgba(0,0,0,1) solid box-shadow 1px 1px 1px rgba(0,0,0,0.3) line-height 1 text-shadow 1px 1px 1px rgba(0,0,0,0.2) font-weight normal margin 0px padding 20px background overflow hidden box-sizing content-box z-index auto transform font-size 16px transition