.sticky
{
    position: sticky;
    position: -webkit-sticky;
    top: 30px;
    font: 90px "Montserrat Alternates", sans-serif;
    font-weight: bold;
    color: #800009;
    text-align: center;
}

.sticky_bottom
{
    position: sticky;
    position: -webkit-sticky;
    top: 30px;
    font: 90px "Montserrat Alternates", sans-serif;
    color: #800009;
    text-align: center;
}

.bottom_list
{
    position: sticky;
    position: -webkit-sticky;
    top: 30px;
    font: 70px "Montserrat Alternates", sans-serif;
    color: #800009;
    text-align: left;
    display: inline-block;
}

.sticky_birds_headline
{
    top: 30px;
    font: 35px "Montserrat Alternates", sans-serif;
    font-weight: bold;
    /*color: #800009;*/
    color: #800009;
    text-align: center;
    padding: 30px 0px 10px 0px
}

.sticky_birds_subhead
{
    top: 30px;
    font: 30px "Montserrat Alternates", sans-serif;
    color: #800009;
    text-align: center;
}

* {
    box-sizing: border-box;
}

.row_para:after {
    content: "";
    display: table;
    clear: both;
    /*display: flex;*/
}

/* Create two equal columns that sits next to each other */
.column_para {
    float: left;
    width: 50%;
    /*flex: 50%;*/
}

.block-1, .block-3
{
    height: 900px;
    padding: 70px 20px;
    background-size: cover;
    background-image: url("../images/background/ibis02.jpg");
    box-sizing: border-box;
    background-position: center;
}
.block-2
{
    background: url("../images/background/gnatcatcher01.jpg") no-repeat fixed;
    background-size: cover;
    height: 900px;
    background-position: center;
}
.block-3
{
    background-image: url("../images/background/vulture01.jpg");
}

.block-4,
#block-4a,
#block-4b,
.block-5,
#block-5a,
#block-5b,
.block-6,
#block-6a,
#block-6b,
.block-7,
#block-7a,
#block-7b,
.block-8,
#block-8a,
#block-8b
{
    height: 470px;
}

#block-4a,
#block-4b,
#block-5a,
#block-5b,
#block-6a,
#block-6b,
#block-7a,
#block-7b,
#block-8a,
#block-8b
{
    background-size: cover;
    box-sizing: border-box;
    background-position: center;
}

.block-4
{
    box-sizing: border-box;
    background-position: center;
}

#block-4a
{
    background-image: url("../images/hawks/baldeagle_01.jpg");
}

#block-4b {
    background-image: url("../images/mimids/mock_02.jpg");
}

.block-5
{
    box-sizing: border-box;
    background-position: center;
}

#block-5a
{
    background-image: url("../images/woodpecker/flicker_08.jpg");
}

#block-5b {
    background-image: url("../images/thrushes/robin_10.jpg");
}

.block-6
{
    box-sizing: border-box;
    background-position: center;
}

#block-6a
{
    background-image: url("../images/chickhatch/tuftit02.jpg");
}

#block-6b {
    background-image: url("../images/wading/triheron_02.jpg");
}

.block-7
{
    box-sizing: border-box;
    background-position: center;
}

#block-7a
{
    background-image: url("../images/warblers/pine07.jpg");
}

#block-7b {
    background-image: url("../images/wrens/carwren01.jpg");
}

.block-8
{
    box-sizing: border-box;
    background-position: center;
}

#block-8a
{
    background-image: url("../images/waxwings/cwaxwing08.jpg");
}

#block-8b {
    background-image: url("../images/pelicans/bpelican04.jpg");
}

/* Turn off parallax scrolling for all tablets and phones. Increase/decrease the pixels if needed */
@media only screen and (max-device-width: 1366px) {
    .parallax {
        background-attachment: scroll;
    }
}

@media screen and (max-width: 600px) {
    .column_para {
        width: 100%;
    }
}