body {
    font-family: 'Roboto', sans-serif;
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
       -moz-box-sizing: border-box;
            box-sizing: border-box;
}
.container {
    max-width: 1200px;
    margin: 40px auto;
    padding: 40px 20px;
    background-color: whitesmoke;
    justify-content: center;
}
header {
    padding: 0 0 30px 0;
    font-size: 30px;
}
.swiper-slide {
    width: 100%;
    height: 700px;
    object-fit: cover;
    vertical-align: middle;
}
img {
    position: absolute;
    width: 100%;
    margin: auto;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}