body {
    position: relative;
    max-width: 100vw;
    height: 100vh;
    overflow-x: hidden;
    display: flex;
    flex-direction: column;
}

.content-box {
    flex: 1;
    width: 80%;
}

.c-innerbox h1 {
    font-size: 40px;
    text-transform: uppercase;
    color: #fff;
}

.class_title {
    font-size: 25px;
    color: #000;
    line-height: 2;

}

.footer {
    margin-bottom: 0px;
}

.class_text {
    font-size: 16px;
    line-height: 1.5;
    color: rgba(11, 17, 31, .72);
    margin-bottom: 10px;
}



@media (max-width: 760px) {
    .content-box {
        width: 94%;

    }

}

@media (min-width: 760px) {
    .ct_one_box {
        margin: 0 18px 20px 0;
    }

    .ct_one_box:nth-of-type(5n) {
        margin-right: 0px;
    }

    .ct_box_five {
        justify-content: flex-start;
        box-sizing: border-box;
    }

    .ct_five_box {
        margin-right: 15px;
    }

    .ct_five_box:nth-of-type(4n) {
        margin-right: 00px;
    }
}