css颜色渐变

background: -webkit-linear-gradient(top, white 0%,pink 100%);
    background: -o-linear-gradient(top, white 0%,pink 100%);
    background: -ms-linear-gradient(top, white 0%,pink 100%);
    background: linear-gradient(top, white 0%,pink 100%);
    -moz-linear-gradient(top, white 0%,pink 100%)

最终实现效果