.container.px-0
  .row.no-gutters
    .col-3
      .box
    .col-3
      .box
    .col-3
      .box
    .col-3
      .box
    .col-3
      .box
    
  

body {
  background-color: #222;
}
.container {
  background-color: #84ac82;
}

.box {
  background-image: linear-gradient(-30deg, #ddd, #FFF);
  width: 100%;
  height: 60px;
}