.alt-grid {
  align-items: initial; 
}

.alt-grid-box {
  flex: 0 0 100%;
}

.alt-grid-box:nth-child(odd) {
  background-color: var(--bg-color);
}

.alt-grid-box:nth-child(even) {
  background-color: var(--sec-bg-color);
}

.alt-grid-box div span {
  display: block;
}

@media (min-width: 768px) {
  .alt-grid-box {
     flex: 0 0 50%; 
  }
}

@media (min-width: 1440px) {
  .alt-grid-box {
    flex: 0 0 25%; 
 }
}