html, body {
    background-color: #1e1e1e;
    height: 100%;     
}
footer{
    margin-top: 40px;
    margin-bottom: 40px;
}
.a-link,.a-link:focus, .a-link:active, .a-link:visited{
    color: #727272;
}
.a-link:hover{
    color: #e37222;
}

.bg-black{
    background-color: black;
}