Element block pseudo-element :after generated with position relative outline none font-size 16px transform padding 0px opacity 1 border 0px rgba(0,0,0,1) solid height 300px float none background line-height 1 width 300px cursor default box-shadow 0px 0px 100px rgba(0,0,0,0.5) box-sizing content-box border-radius z-index auto font-weight normal overflow visible margin 0px display block transition text-shadow