.header-button {
    margin-right: 0px;
    margin-left: 30px;
    background-color: #fff;
}
.section-banner .banner-cover img {
    height: 660px;
}
.footer-logo img {
    height: auto;
}

.article_full_width {
    width: 100%;
    -webkit-box-flex: 0;
    -ms-flex: 0 0 100%;
    flex: 0 0 100%;
    max-width: 100%;
}

@media only screen and (max-width: 768px) {
    .header-middle__right {
        display: none;
    }
}

#karart {
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    right: 0;
    display: none;
    width: 100%;
    height: 100%;
    background: #000;
    z-index: 9999;
    opacity: 0.5;
}

.clearfix::after {
    display: block;
    clear: both;
    content: "";
}

.alert {
    position: relative;
    padding: 0.75rem 1.25rem;
    margin-bottom: 1rem;
    border: 1px solid transparent;
    border-radius: 0.25rem;
}

.alert-heading {
    color: inherit;
}

.alert-link {
    font-weight: 700;
}

.alert-dismissible .close {
    position: absolute;
    top: 0;
    right: 0;
    padding: 0.75rem 1.25rem;
    color: inherit;
}

.alert-primary {
    color: #004085;
    background-color: #cce5ff;
    border-color: #b8daff;
}

.alert-primary hr {
    border-top-color: #9fcdff;
}

.alert-primary .alert-link {
    color: #002752;
}

.alert-secondary {
    color: #464a4e;
    background-color: #e7e8ea;
    border-color: #dddfe2;
}

.alert-secondary hr {
    border-top-color: #cfd2d6;
}

.alert-secondary .alert-link {
    color: #2e3133;
}

.alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
}

.alert-success hr {
    border-top-color: #b1dfbb;
}

.alert-success .alert-link {
    color: #0b2e13;
}

.alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
}

.alert-info hr {
    border-top-color: #abdde5;
}

.alert-info .alert-link {
    color: #062c33;
}

.alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeeba;
}

.alert-warning hr {
    border-top-color: #ffe8a1;
}

.alert-warning .alert-link {
    color: #533f03;
}

.alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
}

.alert-danger hr {
    border-top-color: #f1b0b7;
}

.alert-danger .alert-link {
    color: #491217;
}

.alert-light {
    color: #818182;
    background-color: #fefefe;
    border-color: #fdfdfe;
}

.alert-light hr {
    border-top-color: #ececf6;
}

.alert-light .alert-link {
    color: #686868;
}

.alert-dark {
    color: #1b1e21;
    background-color: #d6d8d9;
    border-color: #c6c8ca;
}

.alert-dark hr {
    border-top-color: #b9bbbe;
}

.alert-dark .alert-link {
    color: #040505;
}