html, body {
    background-color: #fff;
    color: #636b6f;
    font-family: 'Nunito', sans-serif;
    font-weight: 200;
    height: 100vh;
    margin: 0;
}

.full-height {
    height: 100vh;
}

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

.flex-bottom {
    align-items: end;
    display: flex;
    justify-content: center;
    position: relative;
}

.position-ref {
    position: relative;
}

.top-nav{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    background-color: #454545;
    height: 45px;
    text-align: right;
    padding: 0 10px;
    line-height: 45px;
    box-sizing: border-box;
}

.top-nav .links a{color: #FFFFFF;}

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

.page-top{
    position: absolute;
    width: 100%;
    top: 45px;
    left: 0;
    height: 615px;
    max-height: calc(92vh - 223px);
    background: url("../images/page-top.png") no-repeat top center;
    background-size: cover;
    align-items: end;
    display: flex;
    justify-content: center;
    z-index: 0;
}

.page-top .center{font-size: 1.5em; font-weight: 600; position: absolute; width: 200px; text-align: center; bottom: -25px; line-height: 45px; left: 50%; margin-left: -100px;}

.content {
    text-align: center;
    background: #FFFFFF;
    position: relative;
    z-index: 1;
    padding-bottom: 8vh;
    width: 100%;
}

.title {
    font-size: 36px;
}

.links > a {
    color: #636b6f;
    padding: 0 8px;
    line-height: 36px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: .1rem;
    text-decoration: none;
    text-transform: uppercase;
}

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

.text-black{color: #1d1d1f;}

@media (min-width: 768px) {
    .title{font-size: 84px;}
    .links > a{padding: 0 25px;}
    .page-top .center{bottom: -5px;}
}