.mainBody {
    width: 100%;
    height: 100%;
    text-align: center;
    background-position: 50% 100%;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    background-size: cover;
    -o-background-size: cover;
}
.mainBody__SignInContainer {
    float: right;
    margin-bottom: 50px;
}
.mainBody__SignInContainerImage {
    max-height: 200px;
}

.mainBody__floorCol {
    float: right;
    margin-bottom: 50px;
}