body {
    background-image: url(photo.jpg);
    background-repeat: no-repeat;
    background-size: auto 130%;
    background-position: center;
    overflow: hidden;
    height: 100vh;
}

.adaptive {
    display: flex;
}

#container {
    background-color: rgba(179, 192, 175, 0.9);
    display: block;
    flex-direction: column;
    flex-wrap: wrap;
    width: 35rem;
    height: 800px;
    border-radius: 40px;
    color: #fff;
    padding: 15px;
}

h1 {
    font-family: 'Montserrat', sans-serif;
    color: #F7DBF0;
    align-self: center;
}

form {
    display: flex;
    flex-direction: column;
    font-family: 'Montserrat', sans-serif;
    margin: 20px;
    padding: 20px;
}

input {
    font-family: 'Montserrat', sans-serif;
    padding: 5px;
    border-radius: 5px;
    border: none;
}

#tip {
    font-family: 'Montserrat', sans-serif;
    background-color:  #7be0c9;
    border: none;
    border-radius: 10px;
    padding: 5px;
    cursor: pointer;
}

#calc {
    font-family: 'Montserrat', sans-serif;
    background-color: #F7DBF0;
    border: none;
    border-radius: 10px;
    padding: 10px;
    cursor: pointer;
    margin-top: 10px;
}

#selectTip {
    font-family: 'Montserrat', sans-serif;
    display: none;
}

#count {
    display: flex;
    margin-top: 30px;
}

#billAmount, #tipAmount, #totalAmount {
    font-family: 'Montserrat', sans-serif;
    background-color: rgba(147, 198, 142, 0.9);
    margin: 20px;
    padding: 20px;
    border-radius: 10px;
    border: 1px solid black;
}

@media all and (max-width: 500px) {
    body {
        margin: 0;
        padding: 0;
        background-size: auto 220%;
    }

    #container {
        flex: 1;
        padding: 0;
    }
}