:root {
    --primary-text-color: #99ccff;
    --primary-text-hover: #d5e4f6;
    --hover-text-color: #c6e4ff;
    --primary-bt-color: #006100;
    --primary-bt-color-hover: #0ed10e;
    --small-bt-color: #6565dc;
    --small-bt-color-hover: #9494f8;
    --card-bk-color: rgba(9, 14, 18, 0.5);
    --primary-bk-color: #0c0f20;
    --mainview-bk-color: rgba(17, 30, 55, 0.4);
    --footer-bk-colour: rgba(0, 0, 0, 0.6);
    --footer-bt-colour: rgb(96, 120, 161);
    --input-bk-color: rgba(9, 11, 21, 0.7);
    --header-bk-colour: rgba(0, 0, 0, 0.4);
    --menu-bk-color: rgba(0, 0, 0, 0.3);
    /* --bk-image: url("/images/snowynight-pexels-s.webp");
     --mobile-bk-image: url("/images/snowynight-800.webp"); */

    --bk-image:   linear-gradient(15deg, #487dac 15%, #33475c 65%);
                  linear-gradient(15deg, #4c8abc 25%, #21313e 95%);
    /*
    --bk-image:   linear-gradient(15deg, #4c8abc 15%, #21313e 65%);
                linear-gradient(15deg, #4c8abc 25%, #21313e 95%);

     */
    --mobile-bk-image:  linear-gradient(15deg, #4c8abc 15%, #21313e 65%);
                        linear-gradient(15deg, #4c8abc 25%, #21313e 95%);

}

body {
    background-image: var(--bk-image);
    /*background-color: var(--primary-bk-color);*/
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center;
    background-attachment: fixed;
    margin: 0;
    padding: 0;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    color: var(--primary-text-color);
}

h1 {
    color: #d1e7ff;
}
hr {
    background-color: rgba(153, 204, 255, 0.4);
}

div.topbar {
    background-color: rgba(0, 0, 0, 0.4);
}

div.top_menu {
    background-color: rgba(0, 0, 0, 0.3);
    height: 40px;
}

a.toplink {
    background-color: rgba(0, 0, 0, 0.3);
    align-content: center;
}

a.toplink_present_page {
    border-bottom: 1px solid #99ccff;
    box-shadow: 0px 6px 6px rgba(153, 204, 255, 0.2);
}

.cardtext {
    font-weight: bold;
}

p.descriptioncont {
    color: #5bb4dc;
}

.card_name_heading {
    color: #d1e7ff;
    font-size: large;
}

.card_name_heading:hover {
    text-decoration: underline;
    color: white;
}

#sidemenu {
    background-color: rgba(0, 0, 0, 0.6);
}

input[type=text], input[type=password], input[type=number], input[type=file] {
    background-color: var(--input-bk-color);
    color: var(--primary-text-color);
}

div.top_menu {
    background-color: var(--menu-bk-color);
}

a.toplink {
    background-color: rgba(0, 0, 0, 0.3);
}

a.toplink:hover {
    background-color: rgba(48, 71, 122, 0.6);
}

@media screen and (max-width: 900px) {
    body {
        background-image: var(--mobile-bk-image);
    }
}