Element button pseudo-element :before generated with z-index auto float none transform position fixed cursor default height 15% padding 20px overflow visible transition line-height normal display inline-block box-sizing content-box font-size 16px font-weight normal text-shadow box-shadow 5px 5px 2px rgba(0,175,0,1) width 50% background border-radius margin 0px border 1px #018dc4 solid