body {
    background-color: #000;
}
.content {
    margin-top: 5%;
    color: #ddd;
}
.content h1, .content h5 {
    text-align: center;
}
.content .container {
    margin-top: 5%;
    text-align: center;
}
.my-button {
    border: 2px solid #333;
    background-color: #555;
    padding: 20px 15px;
    text-shadow: 1px 2px 2px rgba(0,0,0,0.8);
    font-weight:bold;
    font-size: 16px;
    color: #fff;
}