.btn {
    background-color: orangered;
    padding: 10px;
}
.btn:hover {
    background-color: rgba(223, 69, 13, 0.918);
}
.container{
    max-width: 1060px;
    margin-left: auto;
    margin-right: auto;
}
header {
    background-image: url(../img/facade.jpg);
    background-size: cover;
    background-position: center bottom;
    background-attachment: fixed;
    color: white;
    padding: 20px;
}
header nav {
    display: flex;
    justify-content: space-between;
}
header nav img {
    height: 80px;
}
header nav ul {
    display: flex;
}
header nav ul li {
    margin-top: 15px;
    margin-left: 20px;
    font-size: 20px;
}
header div {
    text-align: center;
}
header h1 {
    font-size: 60px;
    font-family: Montserrat, sans-serif;
    font-weight: 900;
    font-style: italic;
    text-transform: uppercase;
    margin: 0;
    line-height: 100%;
}
header h2 {
    font-size: 20px;
}

main h1 {
    text-align: center;
    font-size: 60px;
    font-family: Montserrat, sans-serif;
    font-weight: 900;
    font-style: italic;
    text-transform: uppercase;
    margin: 0;
    line-height: 100%;
}

main #xpertpro h1 {
    color: blue;
}
main #xpertpro ul li p{
    text-align: center;
    font-size: 40px;
}
main #xpertpro img {
    margin-left: 75px;
    height: 250px;
    padding: 20px;
}
main #vitality h1 {
    color: green;
}
main #vitality ul li p {
    text-align: center;
    font-size: 40px;
}
main #vitality img {
    margin-left: 100px;
    height: 200px;
    padding: 10px;
}
main #kalina h1 {
    color: red;
}
main #kalina h2 {
    color: grey;
    font-size: 50px;
    text-align: center;
    text-transform: uppercase;
    font-family: Montserrat , sans-serif;
    font-weight: 700;
    font-style: italic;
}
main #kalina h3 {
    font-size: 50px;
    text-align: center;
    text-transform: uppercase;
    font-family: Montserrat , sans-serif;
    font-weight: 500;
    font-style: italic;
}
main #kalina ul li p {
    text-align: center;
    font-size: 40px;
}
main #kalina img {
    align-items: center;
    margin-left: 200px;
    height: 250px;
    padding: 10px;
}
main #douro h1 {
    color: blue;
}
main #douro h2 {
    color: grey;
    font-size: 50px;
    text-align: center;
    text-transform: uppercase;
    font-family: Montserrat , sans-serif;
    font-weight: 700;
    font-style: italic;
}
main #douro ul li p{
    text-align: center;
    font-size: 40px;
}
main #douro img {
    align-items: center;
    margin-left: 150px;
    height: 250px;
    padding: 10px;
}
main #ivc h1 {
    color: rgb(90, 84, 84);
}
main #ivc ul li p {
    text-align: center;
    font-size: 40px;
}
main #ivc img {
    margin-left: 100px;
    height: 250px;
    padding: 10px;
}

footer {
    background: black;
    border-top: 10px solid orangered;
    color: white;
    padding: 20px 0;
}
footer > div {
    display: flex;
    justify-content: space-between;
}
footer article {
    width: 25%;
    text-align: right;
}
footer article img {
    height: 60px;
}
footer article a {
    margin: 0 5px;
    font-size: 20px;
}
footer form {
    width: 45%;
    background: white;
    color: black;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 30px 50px;
    margin-top: -100px;
    position: relative;
    z-index: 1;
    box-shadow: 0 -3px 10px rgba(0, 0, 0, 0.3);
}
footer form h2 {
    text-transform: uppercase;
}
footer form:not([type="submit"]){
    width: 100%;
    margin: 20px 0;
    border: none;
    border-bottom: 1px solid black;
    padding: 5px;
}
footer form ::placeholder {
    color: black;
    font-size: 15px;
}
footer form [type="submit"] {
    color: white;
    border: none;
    cursor: pointer;
}
footer ul {
    width: 25%;
}
footer ul li {
    display: flex;
    align-items: baseline;
}
footer ul li i {
    color: orangered;
    margin-right: 15px;
}
footer ul li h3 {
    text-transform: uppercase;
    font-size: 13px;
}