Clb (13) Garisan petak-petak

Demo/Demo

HTML view
<style>
body {  
  background: linear-gradient(to top left, transparent 48.5%, rgba(0,0,0, .12) 48.5%, rgba(0,0,0, .12) 50.5%, transparent 50.5%), linear-gradient(to top right, transparent 48.5%, rgba(0,0,0, .12) 48.5%, rgba(0,0,0, .12) 50.5%, transparent 50.5%), #e3e3e3;
  background-size: 30px 30px, 30px 30px, 100% 100%;
  background-attachment: fixed;
}
</style>

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