* {
    box-sizing: border-box;
}

html,
body {
    min-height: 100%;
    margin: 0;
}

body {
    background: #f4d5ff;
}

.stub {
    width: 100%;
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: flex-start;
}

.stub__image {
    display: block;
    width: 100%;
    max-width: 100%;
    height: auto;
}

@media (max-width: 600px) {
    body {
        background: #f1ccff;
    }

    .stub__image {
        width: 100%;
    }
}