Element block pseudo-element :before generated with padding -2px border 1px rgba(0,150,255,0.91) solid background transition float right position static cursor default height 600px z-index auto display block box-sizing content-box text-shadow font-weight bold transform width 600px line-height 1 overflow visible opacity 1 font-size 15px margin 0px outline none border-radius box-shadow 2px 2px 6px rgba(0,0,0,0.4)