Element block pseudo-element :after generated with border-radius box-sizing content-box margin 0px line-height 1 transform font-weight normal z-index auto border 0px rgba(0,0,0,1) double transition overflow visible cursor default width 50% float none position static display block text-shadow padding 0px opacity 1 outline none height 100px box-shadow 5px 5px 8px rgba(0,0,0,0.4) background font-size 16px