html {
  position: relative;
  min-height: 100%;
  font-size: 14px;
}

@media (min-width: 768px) {
  html {
    font-size: 16px;
  }
}
header nav.navbar {
  background: white;
}
header nav.navbar .navbar-content {
  justify-content: center;
}
header nav.navbar .collapse.navbar-collapse {
  flex-grow: initial;
}
header nav.navbar .navbar-brand {
  padding-top: 0px;
}

header .logo {
  width: 278px;
  height: 50px;
}

.btn:focus, .btn:active:focus, .btn-link.nav-link:focus, .form-control:focus, .form-check-input:focus {
  box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem #258cfb;
}

.maincontainer {
  max-width: 1020px;
  position: relative;
}
.maincontainer main {
  background: #e8e8e8;
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.adcontainer {
  max-width: 1020px;
  position: relative;
}

body {
  background: #d8d8d8;
}

.bb {
  border: solid 1px black;
}

.bb .bb {
  border: solid 1px red;
}

.ssa3 {
  width: 50%;
  background-color: blue;
}

.bshelper {
  position: fixed;
  top: 0;
  left: 0;
  width: 50px;
}

.is-hidden {
  display: none !important;
}

.youtube-responsive {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  height: 0;
}

.youtube-responsive iframe {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}