Element block pseudo-element :before generated with margin 0px width 10% overflow hidden line-height 1 z-index auto transform position fixed float right cursor default box-sizing content-box display block background text-shadow outline none font-size 16px padding 10px height auto box-shadow 0px 6px 4px rgba(0,0,0,0.3) font-weight normal transition opacity 1 border 2px rgba(255,255,255,1) solid border-radius