#vh {
    margin: auto;
    position: absolute;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
}
.box{
    border-radius: 11px;
    box-shadow: 0 0 8px rgba(0, 0, 0, 0.2);
    padding: 25px;
    width: 40em;
    height: 7em;
    background: white;
    font-family: sans-serif;
}

body {
    background: #8acdff;
}