.container {
    z-index: -1;
    padding-top: 40px;
    overflow: hidden;
    display: flex;
    position: absolute;
    height: 600px;
    width: 100%;
    margin: 0 auto;
}

.space {
    margin-left: 300px;
    display: block;
}

.container div {
    animation: slide 90s infinite;
    animation-timing-function: linear;
    opacity: 0.8;
}

.flag {
    width: 100%;
    object-fit: fill;
    background-repeat: no-repeat;
}

.cz {
    background-image: url(../img/flags/cz.png);
}

.sk {
    background-image: url(../img/flags/sk.png);
}

.pl {
    background-image: url(../img/flags/pl.png);
}

.uk {
    background-image: url(../img/flags/uk.png);
}

.us {
    background-image: url(../img/flags/us.png);
}

.it {
    background-image: url(../img/flags/it.png);
}

.jp {
    background-image: url(../img/flags/jp.png);
}

.ci {
    background-image: url(../img/flags/ci.png);
}

.fr {
    background-image: url(../img/flags/fr.png);
}

.nl {
    background-image: url(../img/flags/nl.png);
}

.no {
    background-image: url(../img/flags/no.png);
}

.fi {
    background-image: url(../img/flags/fi.png);
}

.se {
    background-image: url(../img/flags/se.png);
}

@keyframes slide {
    100% {
        transform: translate3d(700%, 0, 0);
    }
    100% {
        transform: translate3d(-700%, 0, 0);
    }
}

@media only screen and (max-width: 600px) {
    .flag {
        width: 180px;
        height: 120px;
        margin-left: 40px;
        background-size: 180px 120px;
    }
    .space {
        margin-left: 900px;
        display: block;
    }
    .container {
        height: 600px;
        width: 100%;
    }
}