斜线背景样式

// 斜线背景
.biasBg {
    background-color: rgba(7, 16, 24, 1);
    background-image: linear-gradient(-45deg, rgba(233, 242, 251, 0.3) 25%, transparent 25%,
            transparent 50%, rgba(233, 242, 251, 0.3) 50%, rgba(233, 242, 251, 0.3) 75%,
            transparent 75%, transparent);
    background-size: 5px 5px;
}