body {
    font-family: Arial, sans-serif;
    background-color: #ffffff;
    color: #000000;
    margin: 0;
    padding: 0;
    
    
}

.container {
    width: 90%;
    margin: auto;
    
}

header {
    background: #ebebeb;
    color: #000000;
    padding-top: 30px;
    min-height: 70px;
    border-bottom: #b3b3b3 3px solid;
}

header a {
    color: #000000;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 16px;
}

header ul {
    padding: 0;
    list-style: none;
}

header li {
    display: inline;
    padding: 0 20px 0 20px;
    
}

.showcase {
    min-height: 400px;
    background: url('https://source.unsplash.com/random/1600x900') no-repeat 0 -400px;
    text-align: center;
    color: #000000;
}

.showcase h1 {
    margin-top: 100px;
    font-size: 55px;
    margin-bottom: 10px;
}

.showcase p {
    font-size: 20px;
}

.content {
    padding: 20px;
}

footer {
    background: #000000;
    color: #fff;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}
.nav-underline .nav-link {
    display: inline-block;
    padding: 10px 15px;
    color: #000000;
    text-decoration: none;
}

.nav-underline .nav-link:hover, .nav-underline .nav-link.active {
    border-bottom: 2px solid #000000;
    color: #000000;
}