body{
    font-size: 1.2em;
    width: 100%;
    margin: 0 auto;
    letter-spacing: 0.5px;
    }
h1{
    text-align: center;
}

#container{
    padding: 1.5em;
    background: linear-gradient(180deg, RGB(34,219,182), RGB(192,245,235)); 
    border-radius: 10px;
}

div {
    line-height: 5em;
}
input [type="text"]{
    font-size: 1.1em;
    text-align: center;
}

label, input{
    width: 100%; 
}

@media (min-width: 700px) {
    body{
        width: 60%;
        background: url(Fancy_Restaurant.jpg) no-repeat center center fixed;
        background-size: cover;
        margin-top: 150px;
        margin-bottom: 150px;
    }

    #container {
        opacity: 0.9;
    }

    label, input {
        display: inline-block;
        width: 40%
    }

    div {
        line-height: 4em;
    }
}