.row.flex-row {
      display: flex;
      flex-wrap: wrap;
      margin-left: -10px;
      margin-right: -10px;
}

.lab-col {
      padding: 10px;
      display: flex;
}

.lab-box {
      background: #fff;
      border: 1px solid #ddd;
      border-radius: 4px;
      padding: 15px;
      text-align: center;
      transition: box-shadow 0.3s ease, background 0.3s ease;
      flex-grow: 1;
      min-height: 100px;
      width: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #337ab7;
      text-decoration: none;
      font-size: 16px;
      font-weight: 600;
      box-shadow: 0 4px 12px rgb(17 45 78 / 50%);
}

.lab-box:hover {
      background-color: #f5f5f5;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
      text-decoration: none;
      color: #23527c;
}


@media (max-width: 425px) {
      .lab-col {
            width: 100%;
      }
}

@media (min-width: 768px) {
      .lab-col {
            width: 50%;
      }
}

@media (min-width: 992px) {
      .lab-col {
            width: 33.3333%;
      }
}

@media (min-width: 1200px) {
      .lab-col {
            width: 25%;
      }
}