html,
body {
    height: 100%;
    width: 100%;
}

body {
    background: #F8F8F2;
    font-size: 16px;
    font-family: 'Open Sans', sans-serif;
    color: #2C3E51;
}

.main {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
}

.main>div>div,
.main>div>span {
    text-align: center;
}

.main .logo img {
    width: 200px;
    height: 200px;
    border-radius: 20px;
}

.main span {
    display: block;
    padding: 80px;
    font-size: 3rem;
}

.main .app img {
    width: 400px;
}