/*=============================================
=            sec1            =
=============================================*/
#rtvideos {
    padding-bottom: 78px;
    text-align: center;
    font-size: 16px;
}

#rtvideos h1 {
    margin: 0 26px;
    font-size: 32px;
    color: rgb(0,73,134);
}

.cvideos {
    display: flex;
    flex-wrap: wrap;
    padding: 13px;
}

.cvideos > * {
    display: block;
    margin: 13px;
    width: calc(33.33% - 26px);
    border-radius: 26px;
    -webkit-border-radius: 26px;
    -moz-border-radius: 26px;
    -ms-border-radius: 26px;
    -o-border-radius: 26px;
}

@media screen and (max-width: 1300px) {
    #rtvideos {
        max-width: 1024px;
        margin: 0 auto;
    }
    .cvideos > * {
        width: calc(50% - 26px);
    }
}

@media screen and (max-width: 768px) {
    #rtvideos {
        max-width: 425px;
        margin: 0 auto;
    }
    .cvideos > * {
        width: calc(100% - 26px);
    }
}