#custom-form {
    background: #f4f4f4;
    padding: 50px 30px;
    border-radius: 30px;
}

#custom-form .form-row {
    display: flex;
    margin-bottom: 20px;
    border: 1px solid #d3d3d3;
    align-items: center;
}

#custom-form .form-row label {
    font-size: 14px;
    line-height: 1.5;
    display: block;
    margin: 16px 0;
}

#custom-form .form-row img {
    max-width: 40%;
}

#custom-form label[for="guest-count"] {
    font-size: 18px;
}

#custom-form input#guest-count {
    background-color: #fff;
    border: 1px solid #ddd;
    border-radius: 0;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, .1);
    box-sizing: border-box;
    color: #333;
    font-size: .97em;
    height: 2.507em;
    max-width: 100%;
    padding: 0 .75em;
    transition: color .3s, border .3s, background .3s, opacity .3s;
    vertical-align: middle;
    width: 100%;
    margin: 8px 0 16px 0;
}

#custom-form .form-row .opt-col {
    margin: 20px;
    line-height: 3em;
}

#custom-form .inputbtn {
    display: block;
    margin: 50px auto 50px auto;
    padding: 10px 20px !important;
    border-radius: 4px;
    font-weight: 700;
    font-size: 18px;
    letter-spacing: .03em;
    line-height: 2.4em;
}

#result-txt {
    display: none;
    text-align: center;
    font-size: 20px;
}

#total-cost:before {
    content: '$ ';
}

#total-cost {
    display: block;
    font-size: 50px;
    line-height: 1.4em;
    font-weight: 700 !important;
    color: green;
}

@media screen and (max-width: 549px) {
    #custom-form .form-row {
        flex-direction: column;
        align-items: flex-start !important;
    }
    
    #custom-form .form-row img {
        max-width: 100% !important;
        width: 100% !important;
    }
}