.c-background-competition {
    background-image: url("http://en.gpvwc.com/media/pictures/orig/1482.jpg");
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    height: 100vh;

    @include mq($from: 1750px) {
        height: calc(100vh - 200px);
    }
}

.c-background-full {
    width: 100%;
    background-size: contain;
    background-position: center;
    background-repeat: no-repeat;
    height: 400px;

    @include mq($until: 840px) {
        height: 150px;
    }
}