BODY, HTML {
    height: 100%;
    position: relative;;
}
BODY {
    /*font-family: Calibri, Verdana, Arial, Helvetica, sans-serif;*/
    font-family: 'Open Sans', sans-serif;

}

.carousel {

    height: 100%;
    position: fixed;
    width: 100%;

}

.carousel .carousel-item {
    height: 100%;
    background-size:cover;
    background-position: fixed;
}