.btn-group, .btn-group-vertical {
    position: relative;
    display: -webkit-inline-box;
    display: -ms-inline-flexbox;
    display: inline-flex;
    vertical-align: middle;
}
.btn-group>.btn:first-child {
    margin-left: 0;
}

.btn:not(:disabled):not(.disabled) {
    cursor: pointer;
}
.btn-group-vertical>.btn, .btn-group>.btn {
    position: relative;
    -webkit-box-flex: 0;
    -ms-flex: 0 1 auto;
    flex: 0 1 auto;
}
[type=reset], [type=submit], button, html [type=button] {
    -webkit-appearance: button;
}
.btn-secondary {
    color: #fff;
    background-color: #6c757d;
    border-color: #6c757d;
}
.btn {
    display: inline-block;
    font-weight: 400;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    border: 1px solid transparent;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    border-radius: .25rem;
    transition: color .15s ease-in-out,background-color .15s ease-in-out,border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}

.dropdown-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1000;
    display: none;
    float: left;
    min-width: 10rem;
    padding: .5rem 0;
    margin: .125rem 0 0;
    font-size: 1rem;
    color: #212529;
    text-align: left;
    list-style: none;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid rgba(0,0,0,.15);
    border-radius: .25rem;
}
.dropdown-item {
    display: block;
    width: 100%;
    padding: 7px 1.5rem;
    clear: both;
    font-weight: 400;
    color: #212529;
    text-align: inherit;
    white-space: nowrap;
    background-color: transparent;
    border: 0;
}
.dropdown-menu.show {
    display: block;
}