*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html{
    font-size: 18px;
}
body{
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
}

.container{
    min-width: 18rem;
    height: 20rem;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #bbffcc;
    border: .3rem solid #faa;
    margin: 5rem;
}
p{
    font-size: 2rem;
    font-weight: bold;
}