body {
    margin: 0;
    background-color: indigo;
}

.upper {
    position: relative;
    background-color: darkviolet;
    margin: 0;
    width: 100%;
    height: 500px;
}

.lower {
    position: relative;
    width: 100%;
    height: 100px;
}

h1 {
    font-size: 5rem;
    font-family: helvetica, sans-serif;
    margin-left: auto;
    margin-right: auto;
}

h2 {
    font-size: 3rem;
    font-family: helvetica, sans-serif;
    margin-left: auto;
    margin-right: auto;
}

.upper-text {
    position: absolute;
    width: 100%;
    text-align: center;
    margin-bottom: 15px;
    bottom: 0;
    color: indigo;    
}

.lower-text {
    position: absolute;
    width: 100%;
    text-align: center;
    margin-top: 0;
    top: 0;
    color: darkviolet;
}

a {
    text-decoration: none;
    color: darkviolet;
}

a:link {
    text-decoration: none;
    color: darkviolet;
}

a:visited {
    text-decoration: none;
    color: darkviolet;
}

a:hover {
    text-decoration: none;
    color: darkviolet;
}

a:active {
    text-decoration: none;
    color: darkviolet;
}