.video {
    position: fixed;
    top: 50%;
    left: 50%;
    min-width: 100%;
    min-height: 100%;
    z-index: -100;
    transform: translateX(-50%) translateY(-50%);
    background: url(Ready-Mix-Concrete-Background.jpg) no-repeat;
    background-size: cover;
    transition: 1s opacity;
}

video {
    position: fixed;
    top: 50%; left: 50%;
    z-index: 1;
    min-width: 100%;
    min-height: 100%;
    width: auto;
    height: auto;
    transform: translate(-50%, -50%);
}

div#right, div#left {
    width: 50%;
    float: left;
    text-align: center;
}

body {
    margin: 0 !important;
}


#top img:first-of-type {
    width: 400px;
    margin: 0 auto;
}

#top img:last-of-type {
    width: 1000px;
    margin: 50px auto 0 auto;
}

div#right img, div#left img {
    width: 600px;
}

div#bottom img {
    width: 900px;
}

div#bottom {
    display: inline-block;
    width: 100%;
    text-align: center;
    margin-top: 50px;
}

div#top img {
    display: block;
}

div#middle {
    display: flex;
    margin-top: 50px;
}

div#bottom a {
    color: white;
    font-size: 2.3em;
    font-family: sans-serif;
    text-decoration: none;
}

div#bottom a {
    display: block;
}

@media screen and (max-width: 1216px) {
    #top img:last-of-type, div#bottom img {
        width: 800px;
    }

    div#right img, div#left img {
        width: 400px;
    }
}

@media screen and (max-width: 816px) {
    #top img:last-of-type, div#bottom img {
        width: 600px;
    }

    div#right, div#left {
        width: 100%;
        float: none;
        text-align: center;
    }

    div#right {
        margin-top: 50px;
    }

    div#right img, div#left img {
        width: 400px;
    }

    div#middle {
        display: block;
    }

    video {
        display: none;
    }
}

@media screen and (max-width: 616px) {
    #top img:last-of-type, div#bottom img {
        width: 300px;
    }

    div#right, div#left {
        width: 100%;
        float: none;
        text-align: center;
    }

    div#right {
        margin-top: 50px;
    }

    #top img:first-of-type {
        width: 250px;
    }

    div#right img, div#left img {
        width: 300px;
    }

    div#bottom a {
        font-size: 1.3em;
    }

    video {
        display: none;
    }
}