/* normalize css starts here */
*,
*::before,
*::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
/* normalize css ends here */


html {
    font-family: -apple-system, BlinkMacSystemFont, Segoe UI, Helvetica, Arial, sans-serif;
    color: #222;
}

html, body {
    width: 750px!important;
    height: 300px!important;
}

.app {
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 20px;
}

.content {
    padding: 20px;
    display: flex;
    justify-items: center;
    justify-content: center;
}