body {
    margin: 0;
}

.outer {
    overflow-x: hidden;
}

.slider {
    display: flex;
    width: 400vw;
}

section {
    height: 100vh;
    width: 100%;

    .inner {
        position: relative;
        display: flex;
        align-items: center;
        justify-content: center;

        height: 100%;
        width: 100vw;

        .content {
            padding: 20px;
        }
    }
}