.block-number {
  text-align: center;
  font-weight: bold;
  font-size: 0.8125em;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: #191919;
  -webkit-transition: 0.3s ease-out;
  transition: 0.3s ease-out; }
  .block-number:hover {
    opacity: 1; }
  .block-number::after {
    content: '';
    display: inline-block;
    width: 0;
    height: 0;
    margin-left: 6px;
    margin-bottom: 2px;
    border-left: 3px solid transparent;
    border-right: 3px solid transparent;
    border-top: 3px solid #191919; }
  .block-number a:hover,
  .block-number a:focus {
    color: #191919; }

.demo-section .main-content .section,
.main-content .topbar,
.main-content .navbar,
.main-content .header,
.main-content .footer {
  margin: 30px 20px 100px;
  border: 1px solid #f5f6f7;
  -webkit-box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
          box-shadow: 0 0 15px rgba(0, 0, 0, 0.05); }

.main-content .navbar {
  position: static;
  margin: 0; }

.intro-content img {
  max-width: 100%;
  height: auto;
  margin-bottom: 25px;
}

.pay-logo {
  text-align: center;
}

.pay-logo img {
  width: 160px;
}

.red {
  color: red;
}
body {
    font-size: 14px;
  font-weight: 400;
  color: #333;
}
b {
    font-weight: 700;
}
code {
  font-size: 90%;
  font-weight: bolder;
}
.icon-bank {
  width: 100%;
  max-width: 200px;
  margin: 0 auto;
  height: 79px;
  background-position: center center;
  background-size: contain;
  background-repeat: no-repeat;
}

.hdsd-content .row {
  margin-bottom: 15px;
}

.hdsd-content img {
  border-radius: 5px;
  border: 1px solid #eee;
  margin-bottom: 10px;
}
.hdsd-content h6 {
  margin-bottom: 15px;
}

.sidebar-hdsd .nav .nav-link {
  font-size: 14px;
  padding: 0;
  line-height: 22px;
  margin-bottom: 4px;
  font-weight: 400;
  display: block;
  width: 100%;
  color: #333;
}

.sidebar-hdsd .nav .nav-link.menu-active,
.sidebar-hdsd .nav .nav-link.menu-active h4,
.color-active {
  color: #50a1ff;
}

h1, h2, h3, h4, h5, h6 {
  font-weight: 500;
}
.btn-hd {
  font-size: 18px;
  margin: 10px;
  min-width: 600px;
}

.sidebar-hdsd {
  display: none;
}

.over-hide {
  overflow: hidden;
}

.img-popup {
  display: none;
  position: fixed;
  width: 100%;
  height: 200vh;
  background: rgba(0,0,0,.5);
  z-index: 99999;
  text-align: center;
  padding: 20px;
  top: 0;
  left: 0;
}

.img-popup img {
  max-width: 100%;
  max-height: 90vh;
  border-radius: 10px;
}

.table-code td:nth-child(3) {
    color: red;
}

.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 99;
    -webkit-box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.05);
}
.sidebar-sticky.stick:not(.is-mobile-wide) {
    position: fixed;
    top: 45px;
}

.nav-item h4 {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 0;
}

.nav-sidebar-hero>.nav-item {
    border: none;
    padding-bottom: 0;
}

h2, .h2 {
    font-size: 1.5rem;
}