style.css

body {
    margin: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen',
        'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue',
        sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.App {
    width: 100%;
}

.header {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background-color: #ccc;
    padding: 12px;
    width: 100%;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 12px;
    width: 100%;
}

.logo {
    width: 72px;
    height: 72px;
}

.elem {
    display: flex;
    align-items: center;
}

.message {
    font-weight: 400;
    margin-right: 12px;
}

.date {
    color: #999;
    font-size: 14px;
}