html, body{
    margin: 0;
    padding: 0;
    height: 100%;
}
header, main, footer {
    width:100%;
    padding:20px;
}
header {
    background-color: #074a7f;
    border-bottom: 1px solid #fff;
}
header h3 {
    text-align: center;  
    font-size: 20px;  
    color:#fff;
    font-weight: bold;
}
header nav ul {    
    text-align: center;
    list-style: none;
    display: table;
    width: 100%;
    margin: 0;
    padding: 0;
    height: 30px;
}

header nav ul li {
    height: 30px;
    text-align: center;
    margin: 0 20px;
    padding: 0;
    float: left;
}
header nav ul li a {
    color: #fff;
    font-size: 14px;

}
header nav ul li a:hover{
    color: #357199;
}
#area-logo {
    width: 100%;
    background-color: #fff;
    text-align: center; 
}
#area-logo img {
    width:200px;
}

main {
    min-height: 53%;
    border-top: 10px solid #357199;
}

main .card {
    margin: 20px 0;
}

footer {
    margin-top:5.55%;
    max-height:100%;
    border-top: 2px solid #357199;;
    background-color: #074a7f;
    text-align: center;
}
footer address {
    color: #fff;
    font-size: 14px;
}
address {
    text-align: center;
    font-size: 0.75em;
}