.coma-video {
    padding: 15px;
    background-color: #fff;
}

    .coma-video .content {
        width: 680px;
        float: left;
    }
        .coma-video .content h4 {
            margin-top: 20px;
        }
        .coma-video .content ul {
            list-style: disc;
            padding: 5px 20px;
        }
        .coma-video .content ul li {
            float: left;
            width: 314px;
        }

    .coma-video .frame {
        width: 442px;
        height: 242px;
        padding: 6px;
        border: 1px solid #e7e7e7;
        float: left;
        margin-right: 20px;
    }
    .coma-video .frame.center {
        width: 650px;
        height: 363px;
        position: relative;
        left: 239px;
    }

@media only screen and (max-width: 1200px) {

    .coma-video .content {
        width: 440px;
    }
    
    .coma-video .frame.center {
        left: 119px;
    }

}

@media only screen and (max-width: 955px) {

    .coma-video .content {
        width: 668px;
        margin-top: 20px;
    }
    
    .coma-video .frame {
        width: 650px;
        height: 363px;
    }
    .coma-video .frame.center {
        left: 0;
    }

}