@charset "utf-8";
html, body, .container, .container:before {
    background-color: #000000;
    height: 99%;
}

.container {
    background: black;
    text-align: center;
}

.container:before {
    display: inline-block;
    vertical-align: middle;
}
.center {
    display: inline-block;
    vertical-align: middle;
    background: black;
}
.bottom {
    display: inline-block;
    vertical-align: bottom;
    background: black;
}

.container:before {
    content: "";
}