body {
    color: #000;
    font-size: 22px;
}
a {
    color: #0033ff;
    text-decoration: underline;
}
h1 {
    color: #000;
}
h2 {
    font-size: 36px;
    color: #cc0033;
    text-transform: uppercase;
    font-weight: normal;
    text-align: center;
}
header {
    text-align: center;
    margin-bottom: 3rem;
}
.banner {
    background-image: url('https://cdn.questline.com/asset/get/3fa69ab0-80c7-4946-afda-c6a6bcfdcb6f?rand=-624151123');
    background-repeat: repeat-x;
}
@media screen and (max-width: 768px) {
    .banner {
        background-image: none;
        padding: 1rem;
    }
}
.banner img {
    margin: 0 auto;
}
.response {
    text-align: center;
    margin-bottom: 6rem;
}
footer {
    font-size: 16px;
}

/* the form */
.form-error-container{
    color: red;
    text-align: center;
}
.table,
.form-horizontal {
    width: 60%;
    margin: 3rem auto;
}
@media screen and (max-width: 768px) {
    .table,
    .form-horizontal {
        width: 100%;
    }
}
.table {
    font-size: 22px;
    border-bottom: 2px solid #000;
}
caption {
    background-color: #669933;
    color: #fff;
    font-weight: bold;
    text-align: center;
}
.table-striped > tbody > tr:nth-of-type(even) {
    background-color: #f4f8f1;
}
.table-striped > tbody > tr:nth-of-type(odd) {
    background-color: transparent;
}
.table > thead > tr > th {
    border-color: #000;
}
.table > tbody > tr > td {
    padding: 10px 20px;
    vertical-align: middle;
}
.table > tbody > tr > td {
    border-top: none;
}
input[type=radio] {
        margin: 8px 0 0;
}
.category {
    color: #669933;
}
.appliance-type {
    margin-left: 3rem;
}
.form-horizontal {
    text-align: center;
}
.form-horizontal label {
    font-weight: normal;
}

/* buttons */
.btn {
    border-radius: 0;
    font-weight: bold;
}
.btn-primary,
.btn-primary:hover,
.btn-primary:focus,
.btn-primary:focus-within,
.btn-primary:active,
.btn-primary:active:focus  {
    background-color: #669933;
    border-color: #669933;
    
}
.btn-lg {
    display: block;
    font-size: 35px;
    margin: 5rem auto;
    padding: 16px 55px;
}