style.css

body , html {
    width: 100%;
    height: 100%;
    font-family: 'Montserrat', sans-serif;
    background: url('https://images.unsplash.com/photo-1537498425277-c283d32ef9db?ixlib=rb-1.2.1&ixid=eyJhcHBfaWQiOjEyMDd9&auto=format&fit=crop&w=757&q=80') no-repeat center center fixed; 
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
}

h1 {
    font-size: 3rem;
    font-weight: bold;
    color: #e2dbdb;
}

hr {
    border: 2px solid #f05f44;
    max-width: 65px;
}

.buffer {
    height: 15rem;
}

.btn {
    font-weight: 700;
    border-radius: 300px;
    text-transform: uppercase;
}

.btn-primary {
    background-color: #f05f44;
    border-color: #f05f44;
}

.btn-primary:hover {
    background-color: #ee4b08;
    border-color: #ee4b08;
    border-width: 4px;
}

.btn-xl {
    padding: 1rem 2rem;
}