Element block pseudo-element :after generated with border 8px rgba(0,0,0,0.91) solid background height 250px padding 7px opacity 1 box-sizing content-box line-height 1 overflow visible z-index auto transition cursor pointer float none margin 10px transform position fixed width 550px display block border-radius font-weight normal text-shadow box-shadow 5px 5px 8px rgba(0,0,0,0.4) outline none font-size 28px