/* =============VALUES============== */
:root {
    --header-height: 46px;
    --header-font-size: 1.75rem;
    --header-font-padding: 10px 20px;
    --header-icon-padding: 5px;
    --border-color: #DDDDDD;
    --header-background: rgba(255,255,255,0.9);
}

/* =============HEADER============== */
.header{
    border-bottom: 1px solid var(--border-color);
    height: var(--header-height);
    width: 80%;
    max-width: 960px;
    white-space: nowrap;
    background: var(--header-background);
    top: 0px;
    left: 0;
    right: 0;
    display: inline-block;
}

#headerContainer {
    position: fixed;
    width: 100vw;
    max-width: 100%;
    text-align: center;
    padding: 0;
    z-index: 100;
}

a {
    color: #5625BA;
}

.centered {
    text-align: center;
    display: block;
}

h1 {
    text-align: center;
}

h2 {
    border-top: 1px solid lightgray;
    margin-top: 5rem;
}

h4 {
    margin-top: 5rem;
    margin-bottom: 1rem;
}

.header *{
    max-height: var(--header-height);
    box-sizing: border-box;
    display: inline-block;
    vertical-align: middle;
    font-size: var(--header-font-size);
}

.right_side{
    float: right;
    text-align: right;
}

.left_side{
    float: left;
    text-align: left;
}

.header a{
    text-decoration: none;
}

.header_title, .header nav a{
    padding: calc(2*var(--header-icon-padding));
}

.header_button{
    padding: 0 !important;
}

.header_button img{
    padding: var(--header-icon-padding);
    height: var(--header-height);
    margin-left: var(--header-icon-padding);
}

#header_toggle_mobile{
    display: none;
}


/* Desktop mode */
@media (min-width: 610px) {
    #header_main_nav{
        display: inline-block !important;
    }
}

/* Mobile mode */
@media (max-width: 610px) {

    .header {
        width: 100%
    }

    #titleColumn{
        text-align: center;
    }

    #banner {
        width: 100% !important;
        max-width: 100% !important;
    }

    #screenshot {
        max-width: calc(100vw - 4rem) !important;
    }

    #header_main_nav{
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0px;
        background: var(--header-background);
        width: 100vw;
        max-height: none;
        border-bottom: 1px solid var(--border-color);
        text-align: left;
    }

    #header_main_nav a{
        display: block;
    }

    /* Visible by default */
    #header_toggle_mobile{
        display: inherit;
    }
}


/* =============CONTENT============== */
#content{
    z-index: 0;
    min-height: calc( 100vh - var(--header-height) );
    padding-top: var(--header-height);
}

#banner {
    width: 80%;
    max-width: 960px;
    margin: 0 auto;
    display: block;
}

.article_image{
    max-width: 100%;
}

.buttonImage{
    width: 20rem;
    transition: box-shadow 0.3s;
}

.buttonImage:hover, #browserbutton:hover{
    box-shadow: 0px 0px 6px 1px rgba(0,0,0,0.5);
}

.spacer {
    height: 10rem;
}

.paddingColumn{
    padding: 2rem 0;
}
.gridItem{
    text-align: center;
}

#screenshot {
    width: 30rem;
    max-width: calc(50vw - 10rem);
    border-radius: 13px;
    box-shadow: 0px 8px 8px 3px rgba(0,0,0,0.25);
}

#footer{
    border-top: 1px solid var(--border-color);
    text-align: center;
}

pre {
    font-family: "Courier 10 Pitch", Courier, monospace;
    font-size: 95%;
    line-height: 140%;
}

#browserbutton {
    background-color: #000;
    display: inline-block;
    height: 50px;
    width: 160px;
    border-radius: 6px;
    transition: box-shadow 0.3s;
    text-decoration: none;
    font-size: 1.5rem;
    color: #fff;
}

#browserbutton img {
    float: left;
}

code {
    font-family: Monaco, Consolas, "Andale Mono", "DejaVu Sans Mono", monospace;
    font-size: 95%;
    line-height: 140%;
    background: #faf8f0;
}