css3 笔记 背景

.div1 {
                height: 80px;
                background: linear-gradient( 135deg, transparent 0, transparent 49.5%, green 49.5%, green 50.5%, transparent 50.5%, transparent 100%),
                linear-gradient( 45deg, transparent 0, transparent 49.5%, red 49.5%, red 50.5%, transparent 50.5%, transparent 100%);
                background-size: 30px 30px;
            }

显示效果：

.div1 {
                height: 90px;
                background: linear-gradient( 135deg, transparent 0, transparent 49.5%, green 49.5%, green 50.5%, transparent 50.5%, transparent 100%),
                linear-gradient( 45deg, transparent 0, transparent 49.5%, red 49.5%, red 50.5%, transparent 50.5%, transparent 100%),
                radial-gradient(transparent 0, transparent 49.5%, red 49.5%, red 50.5%, transparent 50.5%, transparent 100%),
                radial-gradient(transparent 0, transparent 59.5%, green 59.5%, green 60.5%, transparent 60.5%, transparent 100%)
                ;
                background-size: 30px 30px;
            }

 显示效果