.hide,
      .flag-dropdown {
         display: none;
      }

      .error-box {
         color: #fff;
         background-color: #DE5042 !important;
         border-radius: 5px;
         text-align: center;
         width: 240px;
         font-size: 13px;
         line-height: 20px;
         margin: 5px auto !important;
         z-index: 100;
      }

      input:invalid {
         box-shadow: none;
      }