Try CSS

.root {
  background-color: #e3c95d;
}
          
.section1 {
  width: 100%;
  clip-path: polygon(100% 0, 0 0, 0 85%, 100% 100%);
  background-color: #fff;
}

.section2 {
  width: 100%;
}

.section3 {
  width: 100%;
  clip-path: polygon(100% 0, 0 15%, 0 100%, 100% 100%);
  background-color: #fff;
}