Element block pseudo-element :after generated with z-index auto opacity 1 position static float none cursor default line-height 1 border-radius padding 0px width 100px height 100px outline none box-sizing content-box font-weight normal text-shadow transform transition overflow visible font-size 16px border 2px rgba(0,150,255,0.91) solid display block margin 0px background box-shadow 5px 5px 8px rgba(0,0,0,0.4)