.label, .label-default {
    line-height: 24px;
}

.btspan span {
    padding-right: 15px;
}

#copyrights {
    background: #282727;
    padding: 20px 0;
    text-align: center
}

#copyrights p {
    margin-bottom: 5px;
    color: #fff
}

#copyrights a {
    color: #f1f1f1
}

html, body {
    height: 100%;
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

.map_zhuti {
    flex: 1;
}

footer {
    margin-top: auto;
}