*,
*:before,
*:after {
    box-sizing: border-box;
}

a {
    color: #007bff;
    text-decoration: none;
}

a:hover {
    color: #182dbd;
}

html,
body {
    margin: 0;
    padding: 0;
    font-size: 14px;
    font-family: Verdana, sans-serif;

    background-color: #f4f5f7;
}

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

.header {
    margin-bottom: 20px;
    padding: 10px 0;
    background-color: #fff;
}

.header_title {
    text-align: center;
}

.footer {
    margin-top: auto;
    padding: 10px 0;
    background-color: #fff;
}

.footer_title {
    text-align: center;
}

.container {
    width: 1200px;
    padding: 10px 20px;
    margin: 0 auto;

    background-color: #fff;
}

.content_center {
    display: flex;
    justify-content: center;
    align-items: center;
}

.text_center {
    text-align: center;
}

.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;
    cursor: pointer;
}

.btn_primary {
    color: #fff;
    background-color: #007bff;
    border-color: #007bff;
}

.btn_primary:hover {
    color: #fff;
    background-color: #0069d9;
    border-color: #0062cc;
}

.btn_danger{
    color: #fff;
    background-color: #dc3545;
    border-color: #dc3545;
}

.btn_danger:hover {
    color: #fff;
    background-color: #c82333;
    border-color: #bd2130;
}

.color_success {
    color: #28a745;
}

.color_danger {
    color: #dc3545;
}

.form_input {
    display: inline-block;
    padding: .375rem .75rem;
    font-size: 1rem;
    line-height: 1.5;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    transition: border-color .15s ease-in-out, box-shadow .15s ease-in-out;
}

td,
th {
    padding: 10px;
}

.form_group {
    margin-bottom: 10px;
}

/* navigate start */
.navbar {
    margin-bottom: 10px;
}

.nav_container {
    list-style: none;
    margin: 0;
    padding: 0;

    display: flex;
    flex-direction: row;
}

.nav_link {
    padding: 10px;
    color: #182dbd;
    text-decoration: none;
}

.nav_link:hover {
    background-color: #182dbd;
    /*background-color: red;*/
    color: #fff;
    border-radius: 5px;
}

/* navigate end */