.change_exam {
    margin: 60px 0px 60px 0px;
}

.change_exam .title {
    text-align: center;
}

.change_exam .title h2 {
    font-weight: bold;
    display: inline-block;
    border-bottom: solid 5px #7fd9f7;
    padding-bottom: 5px;
}

.nav-item button {
    border-width: 1px !important;
    border-color: #d6e5f2 !important;
}

.nav-item button:hover {
    background-color: #daf6ff;
}

.nav-link {
    color: #212529;
}

.nav-link h4 {
    margin-bottom: 0;
}

.nav-link:hover {
    color: #212529;
}

.nav-tabs .nav-link.active {
    background-color: #1e62bc;
    color: white;
}

.nav-tabs .nav-link {
    background: white;
}

.news .h4 {
    margin-bottom: 0;
}

.back {
    text-align: center;
    margin-top: 60px;
    margin-bottom: 50px;
}

.back .h5 {
    display: inline-block;
    margin-bottom: 0px;
    padding: 10px 40px 10px 40px;
    background-color: #1c62c8;
    color: white;
    border-radius: 10px;
}

.back .h5:hover {
    background-color: #257aea;
}

.img {
    text-align: center;
    margin-top: 60px;
    max-width: 700px;
    width: 100%;
    margin: 60px auto 0;
}


@media screen and (max-width:991px) {
    .change_exam {
        margin: 50px 0px 50px 0px;
    }
}

@media screen and (max-width:615px) {
    .change_exam {
        margin: 30px 5px 30px 5px;
    }

    .change_exam .news {
        margin-top: 20px !important;
    }

    .second_title {
        margin-top: 30px !important;
    }

    .change_exam .news .h5 {
        font-size: 1.1em;
    }
}

@media screen and (max-width:576px) {
    .news .h4 {
        font-size: 1.2em;
    }
}