Element block pseudo-element :after generated with border 100px #1abc9c solid box-shadow opacity 1 box-sizing content-box outline none padding 0px transform margin 0px font-weight normal line-height normal transition cursor default float none z-index auto overflow visible border-radius position static width 0px background height 0px display block text-shadow 1px 1px 0px rgba(0,0,0,0.25) font-size 100%