背景渐变写法

纯色部分写在前面,一层层叠上去

background-image: linear-gradient(180deg, rgba(255, 255, 255, 0) 0%, #F4F7FA 25%), linear-gradient(135deg, #D5E2FF 0%, #FFE4B4 100%);
background-repeat: no-repeat, no-repeat;
background-size: 100% 100%, 100% 226px;