html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    width: 100%;
}
.intro {
    height: 100%;
    width: 100%;
    margin: auto;
    background: #000000;
    display: table;
    top: 0;
    background-size: cover;
}
.intro .inner {
    display: table-cell;
    vertical-align: middle;
    width: 100%;
    max-width: none;
}
.content {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}
.content h1 {
    font-family: 'Calibri', sans-serif;
    color: #6ea9f0;
    text-shadow: 0px 0px 20px #4058e0;
    font-size: 500%;
}
.btn {
    border-radius: 9px;
    font-family: 'Calibri', sans-serif;
    color: #AE5623;
    font-size: 135%;
    padding: 10px 20px;
    border: solid #AE5623 3px;
    text-transform: uppercase;
    text-decoration: none;
}
.btn:hover {
    color: #fff;
    border: solid #fff 3px;
}
p {
    font-size: 160%;
    line-height: 210%;
    text-align: justify;
    margin: 3%;
    font-family: sans-serif;
}
@media screen and (max-width: 768px) {
    .content h1 {
        font-size: 250%;        
    }
    .btn {
        font-size: 110%;
        padding: 7px 15px;
    }
    p {
        font-size: 100%;
        line-height: 160%;
    }
}