a {
    color: #555;
}
a:hover {
    color: #000;
}

body {
    padding-top: 56px;
    font-size: 0.9em;
}

header .navbar, .nav .open > a, .nav .open > a:hover, .nav .open > a:focus {
    background: #FFF;
    box-shadow: 0 1px 1px rgba(0, 0, 0, 0.11);
}

header .navbar .nav li a.active {
    font-weight: bold;
    background-color: #FFF;
    color: #5CB85C !important;
}

main {
    margin-top: 1em;
}

footer {
    background-color: #fff;
    border-top: 1px solid #ddd;
    padding-top: 3em;
    padding-bottom: 2em;
}

/* float right */
#floatButton {
    position: fixed;
    top: 50%;
    right: 0;
    z-index: 9999999;
}

#floatButton .btn {
    background-color: #FFF;
    border: 1px solid #CCC;
}

#floatButton .btn:focus {
    outline: 0
}

@media screen and (max-width: 767px) {
    #floatButton {
        display: none;
    }
}

#pageQrcode img.qrcode {
    position: absolute;
    right: 50px;
    bottom: -34px;
    padding: 10px;
    background: #fff;
    border: 1px solid #ccc;
    border-radius: 4px;
    display: none
}

#pageQrcode:hover img.qrcode {
    display: block
}

.card {
    margin-bottom: 20px;
}

.card .nav .nav-item a {
    padding: 0.5em;
}

.card .nav .nav-item a.active {
    background-color: #5CB85C;
    color: #fff;
}

.card-sort {
    padding: 10px;
}

.topic-title {
    font-size: 1.4em;
}

.list-group-item {
    border: none;
    border-bottom: 1px solid rgba(0,0,0,.125);
}

.topic-node {
    background-color: #f8f9fa;
}

.topic-info {
    padding-top: 0.3em;
}

.topic-pagination {
    padding: 1em;
    background-color: #f7f7f7;
    margin-bottom: 0;
}

.control-label-full {
    display: block;
    width: 100%;
}

.sidebar-fixed {
    display: block;
}
.bbs-sidebar .list {
    padding-inline-start: 1em;
}

.empty {
    padding: .75rem 1.25rem;
    background-color: #FFFFFF;
}

.card-footer a {
    margin-right: 1em;
}

.icon-active {
    color:#e0a800;
}

.user-menu .active {
    border-radius: 4px;
}

.user-menu .active a {
    color: #FFF;
}

.card-header>.card-title {
    float: left;
    font-size: 1.4em;
    line-height: 1.9;
    margin-bottom: 0;
}

.card-header>.card-tools {
    float: right;
    margin-right: -.625rem;
}

.fade-info {
    color: #aaa;
    font-size: 0.9em;
}

.flex-row-space {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
}

.login-page {
    padding: 8em 0;
}

.topic-view img {
    max-width: 100%;
    margin-bottom: 0.5em;
}

iframe {
    width: 100%;
    min-height: 400px;
}

.top-ads span {
    margin-right: 0.3em;
    background: #DDD;
    padding: 0 .3em;
    border-radius: .3em;
}