body {
    background: url('../images/sicily.png') no-repeat center center fixed;
    background-size: cover;
}

.text-shadow {
    color: black;
    text-shadow:
        -1px -1px 0 white,
         1px -1px 0 white,
        -1px  1px 0 white,
         1px  1px 0 white;
}