.custom-checkbox {
      position: relative;
      display: inline-block;
      margin: 10px;
    }
    
    .custom-checkbox input[type="checkbox"] {
      opacity: 0;
      position: absolute;
      width: 0;
      height: 0;
    }
    
    .custom-checkbox .checkmark {
      display: inline-block;
      width: 25px;
      height: 25px;
      background-color: #fff;
      border: 2px solid #ccc;
      border-radius: 4px;
      position: relative;
      cursor: pointer;
      transition: all 0.3s ease;
    }
    
    .custom-checkbox input[type="checkbox"]:checked + .checkmark {
      background-color: #4CAF50;
      border-color: #4CAF50;
    }
    
    .custom-checkbox .checkmark:after {
      content: "";
      position: absolute;
      display: none;
    }
    
    .custom-checkbox input[type="checkbox"]:checked + .checkmark:after {
      display: block;
      left: 8px;
      top: 4px;
      width: 6px;
      height: 12px;
      border: solid white;
      border-width: 0 2px 2px 0;
      transform: rotate(45deg);
    }
    
    .custom-checkbox .label-text {
      margin-left: 10px;
      font-family: Arial, sans-serif;
      color: #333;
    }