html, body {
    background-color: #000000;
    color: #636b6f;
    font-family: monospace;
    font-weight: 100;
    height: 90vh;
    margin: 0;
    padding: 0;
}

.full-height {
    height: 90vh;
}

.flex-center {
    align-items: center;
    display: flex;
    justify-content: center;
}

.position-ref {
    position: relative;
}

.top-right {
    position: absolute;
    right: 10px;
    top: 18px;
}

.content {
    text-align: center;
}

.title {
    color: #009900;
    font-size: 64px;
}

.links > a {
    color: #a0a0a0;
    display: inline-block;
    font-size: 16px;
    font-weight: 600;
    letter-spacing: .1rem;
    margin: 0 25px;
    padding: 5px 10px;
    text-decoration: none;
}
.links > a:hover {
    color: #ffffff;
}

.m-b-md {
    margin-bottom: 30px;
}

@media only screen and (max-width: 600px) {
    .title {
        font-size: 32px;
    }
    .links > a {
        font-size: 14px;
        margin: 0 15px;
    }
}