【css】
background-color:#fff;background-image:repeating-linear-gradient(45deg,rgba(255,187,221,0.5),rgba(255,187,221,0.5) 8px,transparent 8px,transparent 16px),repeating-linear-gradient(-45deg,rgba(255,187,221,0.5),rgba(255,187,221,0.5) 8px,transparent 8px,transparent 16px);
background-color:#fff;background-image:repeating-linear-gradient(45deg,rgba(255,221,102,0.5),rgba(255,221,102,0.5) 8px,transparent 8px,transparent 16px),repeating-linear-gradient(-45deg,rgba(255,221,102,0.5),rgba(255,221,102,0.5) 8px,transparent 8px,transparent 16px);
background-color:#fff;background-image:repeating-linear-gradient(45deg,rgba(204,238,119,0.5),rgba(204,238,119,0.5) 8px,transparent 8px,transparent 16px),repeating-linear-gradient(-45deg,rgba(204,238,119,0.5),rgba(204,238,119,0.5) 8px,transparent 8px,transparent 16px);
background-color:#fff;background-image:repeating-linear-gradient(45deg,rgba(187, 221, 255,0.5),rgba(187, 221, 255,0.5) 8px,transparent 8px,transparent 16px),repeating-linear-gradient(-45deg,rgba(187, 221, 255,0.5),rgba(187,221, 255,0.5) 8px,transparent 8px,transparent 16px);
background-color:#fff;background-image:repeating-linear-gradient(45deg,rgba(204,187,255,0.5),rgba(204,187,255,0.5) 8px,transparent 8px,transparent 16px),repeating-linear-gradient(-45deg,rgba(204,187,255,0.5),rgba(204,187,255,0.5) 8px,transparent 8px,transparent 16px);