/* Css*/
    body {
      font-family: Arial;
    }
    .header {
      display: flex;
      justify-content: space-between;
      font-size: 14px;
      color: #0066cc;
      font-weight: bold;
      margin-bottom: 10px;
    }
    h3 {
      text-align: center;
    }
    table {
      border-collapse: collapse;
      width: 100%;
      margin-bottom: 20px;
    }
    th, td {
      border: 1px solid #000;
      padding: 4px;
      text-align: center;
    }
    .menu-select {
      display: flex;
      justify-content: center;
      margin: 10px 0;
    }
    .menu-select select {
      margin: 0 10px;
    }
    .table-title th {
      background: #0033cc;
      color: #ccc;
      font-weight: bold;
      font-size: 12px;
    }
    .btn-xoa {
      color: red;
      cursor: pointer;
    }
    .btn-in {
      margin-top: 10px;
    }
    #hoadon {
      display: none;
      border: 1px solid #000;
      padding: 10px;
      width: 300px;
      margin: 0 auto;
    }
    #hoadon h4 {
      text-align: center;
      margin-top: 0;
    }
    #hoadon table {
      width: 100%;
    }
    #hoadon td {
      text-align: left;
    }
    .bold {
      font-weight: bold;
    }