background: linear-gradient(white, orange);

background: linear-gradient(to right, white, orange);

background: linear-gradient(to right, white 30%, orange 70%);

background: linear-gradient(to right, white 50%, orange 50%);

 background: linear-gradient(to left, white 50%, orange 50%);
 background-size: 50px 100px;

background: repeating-linear-gradient(40deg, white, white 25px, orange 25px, orange 50px);