.center_menu {
    width: 190px;
    height: 100%;
    min-height: 700px;
    background-color: #005da2;
    margin-bottom: 0;
    position: relative;
}

.gap {
    width: 190px;
    height: 20px;
}

.center_menu_box {
    position: relative;
    width: 100%;
    height: 60px;
    font-size: 16px;
    color: #FFFFFF;
    font-family: Noto Sans SC;
    text-align: center;
    line-height: 60px;
    list-style: none;
    text-decoration: none;
}

.center_menu_box a {
    color: #FFFFFF;
    padding: 20px 0px;
    width: 190px;
    height: 60px;
    line-height: 20px;
    display: inline-block;
}

.center_menu_box:hover {
    color: #005da2;
    cursor: pointer;
    z-index: 1;
    background: transparent;
}

.center_menu_box:hover a {
    color: inherit;
    text-decoration: none;
}

.center_menu_box:after,
.center_menu_box:before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 0;
    height: 100%;
    background: #005da2;
    z-index: -2;
}

.center_menu_box:before {
    -webkit-transition: 0.5s;
    transition: 0.5s;
    background: #f7f8f8;
    z-index: -1;
}

.center_menu_box:hover:after,
.center_menu_box:hover:before {
    width: 100%;
}

.center_menu .menu-img {
    width: 80px;
    height: 250px;
    background: url(../images/honesty_vertical.png) no-repeat;
    background-size: 100%;
    position: absolute;
    left: 78px;
    bottom: 15%;
}

.center_menu_active {
    width: 190px;
    height: 100%;
    background-color: #ebebeb;
}

.center_menu_active a {
    color: #1c79a8;
}