css 背景色渐变 line-gradient 的deg角度旋转问题

• background-image: linear-gradient(-55deg, #07265d, #0d3d92),linear-gradient(#2d323b, #2d323b);
  

• background-image:linear-gradient(45deg,red,blue);
  

• background-image:linear-gradient(-45deg,red,blue);