#btnPreloader {
    border: 4px solid #3498db;
    border-radius: 50%;
    border-top: 4px solid #fff;
    border-right: 4px solid #fff;
    border-bottom: 4px solid #fff;
    width: 30px;
    height: 30px;
    -webkit-animation: spin 2s linear infinite; /* Safari */
    animation: spin 2s linear infinite;
}

/* Safari */
@-webkit-keyframes spin {
    0% { -webkit-transform: rotate(0deg); }
    100% { -webkit-transform: rotate(360deg); }
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

#filterTab .active {
    color: #fff;
    background-color: #2874f0;
}

.filters-counter {
    display: none;
    width: 18px;
    height: 18px;
    color: #fff;
    background-color: hsla(0, 0%, 7.1%, 0.7);
    border-radius: 18px;
    position: absolute;
    top: -7px;
    right: 4px;
}

#filterTab button {
    width:40%;
    padding: 0;
    border: 1px solid #2874f0;
    overflow:visible;
}

#metroStationMap {
    background-color: #fff;
    border: 1px solid #ced4da;
    height: 38px;
    width: 100%;
    margin: 0 0 -5px 0;
    border-radius: 5px;
}

.metroStationMap {
    padding-bottom: 0;
}

.switch,
.switch * {
    -webkit-user-select: none;
    -moz-user-select: none;
    -khtml-user-select: none;
    -ms-user-select: none;
}

.switch label {
    cursor: pointer;
}

.switch label input[type=checkbox] {
    opacity: 0;
    width: 0;
    height: 0;
}

.switch label input[type=checkbox]:checked + .lever {
    background-color: #84c7c1;
}

.switch label input[type=checkbox]:checked + .lever:after {
    background-color: #26a69a;
    left: 24px;
}

.switch label .lever {
    content: "";
    display: inline-block;
    position: relative;
    width: 40px;
    height: 15px;
    background-color: #818181;
    border-radius: 15px;
    margin-right: 10px;
    transition: background 0.3s ease;
    vertical-align: middle;
    margin: 0 16px;
}

.switch label .lever:after {
    content: "";
    position: absolute;
    display: inline-block;
    width: 21px;
    height: 21px;
    background-color: #F1F1F1;
    border-radius: 21px;
    box-shadow: 0 1px 3px 1px rgba(0, 0, 0, 0.4);
    left: -5px;
    top: -3px;
    transition: left 0.3s ease, background .3s ease, box-shadow 0.1s ease;
}

input[type=checkbox]:checked:not(:disabled) ~ .lever:active::after,
input[type=checkbox]:checked:not(:disabled).tabbed:focus ~ .lever::after {
    box-shadow: 0 1px 3px 1px rgba(0, 0, 0, 0.4), 0 0 0 15px rgba(38, 166, 154, 0.1);
}

input[type=checkbox]:not(:disabled) ~ .lever:active:after,
input[type=checkbox]:not(:disabled).tabbed:focus ~ .lever::after {
    box-shadow: 0 1px 3px 1px rgba(0, 0, 0, 0.4), 0 0 0 15px rgba(0, 0, 0, 0.08);
}

.switch input[type=checkbox][disabled] + .lever {
    cursor: default;
}

.switch label input[type=checkbox][disabled] + .lever:after,
.switch label input[type=checkbox][disabled]:checked + .lever:after {
    background-color: #BDBDBD;
}