.header_img {
    width: 100%;
    height: 420px;
}

.header_img img {
    width: 100%;
    height: 100%;
}

.nav_list {
    width: 100%;
    height: auto;
    display: flex;
    flex-direction: row;
    justify-content: flex-start;
    align-items: center;
}

.about_nav {
    width: auto;
    height: auto;
    font-size: 22px;
    font-weight: bold;
    color: #000;
    margin-right: 150px;
    padding-bottom: 15px;
    cursor: pointer;
}

.about_actives {
    color: #4C73FC;
    border-bottom: 2px solid #4C73FC;
}

.about_nav:hover {
    color: #4C73FC;
    border-bottom: 2px solid #4C73FC;
}

.nav_title {
    width: 100%;
    height: auto;
    margin-top: 70px;
    text-align: center;
    font-size: 26px;
    font-weight: bold;
    color: #000;
}

.content {
    width: 100%;
    height: auto;
    font-size: 16px;
    color: #000;
}

.content p {
    width: 100%;
    height: auto;
    margin-top: 24px;
}