.min-100 {
    min-height: 100vh;
}

#sidemenu {
    z-index: 1010;
}

/* only show subitems when parent is active*/
#sidemenu .nav-item .nav-link.active + .nav .nav-item {
    display: list-item;
}
#sidemenu .nav-item .nav-item {
    display: none;
}

.anchor{
  display: block;
  height: 70px;
  margin-top: -70px;
  visibility: hidden;
}

.masthead {
  margin-top: -60px;
  color: #ffffff;
  height: 100vh;
  min-height: 500px;
  background-image: url('https://achmoika.ru/themes/moika/assets/images/bg.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.bg-opacity {
    background: rgba(0, 0, 0, 0.8);
}

.navbar-dark .navbar-nav .nav-link:hover, .navbar-dark .navbar-nav .nav-link:focus {
    color: 
    rgba(255, 255, 255, 0.9);
}

.navbar-dark .navbar-nav .nav-link {
    color: 
    rgba(255, 255, 255, 0.7);
}

.navbar-expand-md .navbar-nav .nav-link {
    padding-right: 1rem;
    padding-left: 1rem;
}

.text-yellow {
    color: #ffe800;
}

.btn-yellow {
    color: #212529;
    background-color: #ffe800;
    border-color: #ffe800;
}

.btn-yellow:hover {
    color: #212529;
    background-color: #dbc702;
    border-color: #dbc702;
    text-decoration: none;
}

.btn-lg, .btn-group-lg > .btn {
    border-radius: 0rem;
}

.btn {
    border-radius: 0rem;
}

.dropdown-menu {
    border-top: 3px solid #ffe800;
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 10rem;
    padding: 0.5rem 0;
    margin: 0.125rem 0 0;
        margin-top: 0.125rem;
        margin-right: 0px;
        margin-left: 0px;
    font-size: 1rem;
    color: 
#212529;
text-align: left;
list-style: none;
background-color:
#fff;
-webkit-background-clip: padding-box;
background-clip: padding-box;
/*border: 1px solid
    rgba(0, 0, 0, 0.15);*/
    border-radius: 0rem;
}

.back-to-top {
    position: fixed;
    bottom: 40px;
    right: 25px;
    display: none;
}