html {
      font-size: 14px;
}

body {
      font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
}

.header-background {
      background-color: #e7e7e7;
}

.color-vinaphone {
      color: #fff;
      background-color: #00a1e5;
}

#item1-click {
      margin-right: 20px;
}

.color-mobifone {
      color: #fff;
      background-color: #0060b0;
}

.color-viettel {
      color: #fff;
      background-color: #C2002A;
}

.text-color-viettel {
      color: #ff0000;
}

.text-color-mobifone {
      color: #0000ff;
}

.text-color-vinaphone {
      color: #0000ff;
}

.navigate {
      position: relative;
}

.navigate img {
      /* width: 20%; */
      width: 150px;
      object-fit: contain;
}

.over {
      position: absolute;
      height: 25px;
      width: 35%;
      top: -25px;
      left: 0;
      overflow: hidden;
}

.top-bar {
      padding: 3px 0;
      color: #fff;
      height: 28px;
}

.over:after {
      content: '';
      background: #ffffff;
      height: 25px;
      width: 50px;
      position: absolute;
      top: -10px;
      right: -20px;
      z-index: 3;
      transform: rotate(45deg);
}

.btn-register {
      width: 100px;
      height: 32px;
      border-radius: 4px;
      text-align: center;
      line-height: 36px;
      text-transform: uppercase;
      font-size: 16px;
      text-decoration: none !important;
      display: block;
      margin: auto;
      margin-top: 10px;
      margin-bottom: 10px;
      color: #fff !important;
      border: none;
      padding: 15px;
      font-weight: 600;
      text-align: center;
      display: flex;
      justify-content: center;
      align-items: center;
}

table {
      border: 1px solid #e5e5e5;
}

table thead {
      font-size: 14px;
      text-align: center;
}

table thead th {
      font-weight: 500;
}

table tr td {
      border-right: 1px solid #e5e5e5;
      border-top: 2px solid #e5e5e5;
}

.width-td-left {
      width: 30%;
}

.table-striped tbody tr:nth-of-type(odd) {
      background-color: white !important;
}

.table-striped tbody tr:nth-of-type(even) {
      background-color: #f0f0f0 !important;
}

.footer {
      background-color: #E7E7E7;
}

.footer img {
      width: 200px;
      object-fit: contain;
}

.fixed-content {
      display: flex;
      justify-content: center;
      align-items: center;
}

.fixed-content i {
      font-size: 22px;
}

.fixed-content .contact-messenger {
      border-right: 1px solid #ffffff;
}

.fixed-content a {
      color: #ffffff;
      font-size: 22px;
      font-weight: 900;
}

.fixed-content a:hover {
      text-decoration: none;
      font-weight: bold;
      color: white;
}

a:hover {
      text-decoration: none !important;
}

.viettel-mobile-active {
      background-color: #c2002a;
      border: 1px solid #c2002a !important;
}

.mobifone-mobile-active {
      background-color: #0060b0;
      border: 1px solid #0060b0 !important;
}

.header-mobile {
      border-bottom: 2px solid #e7e7e7;
}

.header-mobile a img {
      width: 90px;
      object-fit: contain;
}

.vinaphone-mobile-active {
      background-color: #0095f8;
      border: 1px solid #0095f8 !important;
}

.not-active {
      padding: 10px;
      border: 1px solid rgb(161, 147, 147);
      border-bottom: unset;
      border-top-left-radius: 5px;
      border-top-right-radius: 5px;
      height: 40px;
}

.footer img {
      width: 100%;
}

@media only screen and (min-width: 768px) {
      .fixed-content {
            display: none;
      }

      .header-mobile {
            display: none;
      }
}

@media only screen and (max-width: 768px) {
      .footer {
            padding-bottom: 50px;
      }

      .footer-text {
            text-align: center;
            padding: 10px 0;
      }

      .header-big {
            display: none;
      }

      .footer img {
            width: 60%;
      }
}