.m-video {
    position: relative;
    display: block;
    width: 100%;
    height: fit-content;
    overflow: hidden;
}

.m-video .m-video-inner {
    position: relative;
    display: flex;
    height: fit-content;
    width: 100%;
}

.m-video .m-video-inner .sm {
    display: none;
}

.m-video .m-video-inner .lg {
    position: relative;
    display: block;
    width: 100%;
}


.m-video .m-video-inner video {
    position: relative;
    display: block;
    height: auto;
    width: 100%;
}


@media only screen and (max-width: 740px) {
    .m-video {
        margin: 20px 0 -14px;
    }
    
    .m-video .m-video-inner .lg {
        display: none;
    }

    .m-video .m-video-inner .sm {
        position: relative;
        display: block;
        width: 100%;
    }
}