css3实现背景三角形样式

话不多说上效果图：

 css:

font-family: PingFang-SC-Heavy, PingFang-SC;
font-weight: 800;
color: #2160AD;
border-left: 4px solid #165097;
background-image: linear-gradient(45deg,transparent 89%, #fff 5%), linear-gradient(-36deg, #fff 10%, #F5F7FA 11%);