style body min height 200px padding 0 margin 0 margin top 60px topbar padding 0 margin 0 position fixed width 100 height 50px top 0px left 0px background color white box shadow 0px horizontal offset 3px vertical offset 5px blur radius optional 0px spread radius optional rgba 100 100 100 0 2 color style div id topbar div Once upon a time br br script for let i 0 i 100 i let span document createElement span document body append span let txt abcdefghijklmnopqrstuvwxyz let start Math round Math random txt length span innerHTML txt slice start start Math random txt length 0 5 script
optional rgba 100 100 100 0 2 color style div id topbar div Once upon a time br br script for let i 0 i 100 i let span document createElement span document body append span let txt abcdefghijklmnopqrstuvwxyz let start Math round Math random txt length span innerHTML txt slice start start Math random txt length 0 5 script