Element button pseudo-element :before generated with height 500px position static border-radius box-sizing content-box z-index auto transform border 3px rgba(124,0,0,1) solid display block cursor default float none transition outline none overflow hidden background line-height 1 font-size 64px font-weight bold width 700px opacity 1 margin 0px box-shadow 16px 15px 11px rgba(0,0,0,0.24) text-shadow 1px 1px 1px rgba(0,0,0,0.2) padding 20px