.top_nav {
    width: 100%;
    background-color: #f5f5f5;
    border-bottom: 2px solid #d7d1d1;
}

.top_nav div {
    text-align: center;
}

.top_nav div p {
    font-size: 1.0rem;
    font-weight: 700;
    color: #333;
}

.top_nav ul {
    list-style-type: none !important;
    display: flex;
    justify-content: center;
    margin: 0;
}

.top_nav ul a {
    display: block;
    width: 200px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    color: #666;
    font-size: 1.0rem;
    font-weight: 700;
    transition: background-color 0.3s, color 0.3s;
}

.top_nav ul a:hover {
    background-color: #2786e7;
    color: #fff;
}

.top_nav ul a li {
    height: 100%;
}

.top_nav ul a li.active {
    border-bottom: 4px solid #2786e7;
}
@media screen and (max-width: 1400px) {
    .top_nav ul a{
        font-size: 0.9rem;
    }
}
@media screen and (max-width: 768px) {
    .top_nav ul a{
        font-size: 0.7rem;
    }
}
@media screen and (max-width: 400px) {
    .top_nav ul a{
        font-size: 0.4rem;
    }
}