@media (min-width: 320px) {
  .toolbar {
    width: 400px;
    height: 200px;
    background: red;
    color: inherit;
  }
}
.cell {
  margin: 0 5px !important;
}
.class1 {
  color: #33acfe !important;
  margin: 20px !important;
  padding: 20px !important;
  width: 0 !important;
}
.class2 {
  color: #efca44;
  margin: 10px;
  padding: 40px 10px;
  width: 0 !important;
}