.bloc_cyb_video{
    padding: 0 15px;
    margin-bottom: 10px;
}
.bloc_cyb_video .conteneur_video{
    background-color: #fff;
    width: 100%;
    max-width: 500px;
    margin-right: auto;
    margin-left: auto;
    padding: 30px;
    border: 1px solid #485b6d;    
}
.bloc_cyb_video .titre{
    font-size: 30px;
    font-family: "PlayfairDisplay";
    color: #485b6d;
    font-weight: bold;
    line-height: 1;
    margin-bottom: 0;
}
.bloc_cyb_video .btn_cyb{
    margin-top: 20px;
}

@media screen and (min-width: 768px) {
    .bloc_cyb_video{
        margin-top: 10px;
        margin-bottom: 0;
    }
    .bloc_cyb_video .conteneur_video{
        position: relative;        
    }
    .bloc_cyb_video .titre{
        width: 220px;
    }
    .bloc_cyb_video .btn_cyb{
        display: inline-block;
        margin: 0;
        position: absolute;
        top: 41px;
        right: 30px;
    }
}

@media screen and (min-width: 1024px) {
    .bloc_cyb_video{
        position: absolute;
        right: 0;
        top: 370px;
        border: 0;
        width: 100%;
        max-width: 500px;
        padding: 0;
        margin: 0;
    }
    .bloc_cyb_video .conteneur_video{
        border: 0;
    }
}