1、background: linear-gradient(to left,#d3959b,#bfe6ba);

to left 设置渐变从右到左，相当于270deg

2、background: linear-gradient(to right,#d3959b,#bfe6ba);

to right设置渐变从左到右，相当于90deg

3、background: linear-gradient(to top,#d3959b,#bfe6ba);

to top 设置渐变从下到上，相当于0deg

4、background: linear-gradient(to bottom,#d3959b,#bfe6ba);

5、background: linear-gradient(to top right,#d3959b,#bfe6ba);

to right top = to top right ：从左下角到右上角，对角线角度

6、background: linear-gradient(45deg,#d3959b,#bfe6ba);

和to top right 有细微差别(背景为正方形的时候无差别)

7、background: linear-gradient(45deg,#d3959b 20%,#bfe6ba);

用百分比指定起始颜色的位置，默认值为0%；

8、background: linear-gradient(to right,#feac5e,#c779d0,#4bc0c8);

9、background: linear-gradient(45deg,#feac5e,#c779d0,#4bc0c8);

10、background: linear-gradient(45deg,rgba(254,172,94,0.5),rgba(199,121,208,0.5),rgba(75,192,200,0.5));

rgba使用了0.5的透明度