* {
    margin: 0px;
    padding: 0px;
    box-sizing: border-box;
}

.page {
    height: 100vh;
    width: 100vw;
}

.flex {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

div {
    padding: 15px;
}

img {
    transform: scale(1.1);
}

​