body {
    background-color: #f8f9fc;
}

h3 {
    padding: 0.1em;
    padding-left: 10px;
    color: #010101;
    /*background: #e0e1e2;*/
    border-bottom: solid 3px #000;
    border-bottom-left-radius: 5px;
}

table {
    white-space: nowrap;
}

main {
    margin-bottom: 50px;
}

.btn-lightgray {
    background-color: #e0e1e2;
}

.menu-img-size {
    width: 40px;
}

.device_menu ul li {
    margin-left: -20px;
    list-style: none;
}

.device_menu ul li {
    position: relative;
}

.device_menu ul li::after {
    display: block;
    content: '';
    position: absolute;
    top: .5em;
    left: -1em;
    width: 6px;
    height: 6px;
    border-right: 1px solid #666;
    border-bottom: 1px solid #666;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}

/* 荳頑嶌縺肴欠螳� */
.card-body {
    padding: .3rem;
}

.select-user-group {
    overflow: auto;
    width: 100%;
    height: 250px;
    border: 1px solid #ced4da;
    border-radius: 5px;
}

.select-user-group ul {
    list-style: none;
    margin-left: -11px;

}

.btn-header-size {
    width: 9.5em;
}