html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    border: none;
}

#menu {
    width: 150px;
    position: fixed;
    margin-top: 0;
    margin-left: 0;
}

#menu div img {
    display: block;
}

#menu div img:hover {
    cursor: pointer;
}

#support_block {
    position: absolute;
    bottom: 40px;
    left: 40px;
    z-index: -1;
}

#content {
    margin-left: 150px;
    text-align: center;
}

#count {
    font-family: monospace;
    font-size: 22px;
    color: lightgray;
}

#photos.hidden img {
    display: none
}

.hidden {
    display: none;
}

.full_height {
    height: 100%
}

.expanded_table {
    display: table;
    width: 100%;
    height: 100%;
    margin-left: auto;
    margin-right: auto;
    border: none;
}

.centered_cell {
    display: table-cell;
    vertical-align: middle;
    margin: 10px 10px 10px 10px;
}

.img_link {
    border: none;
}

.img_link:hover {
    cursor: pointer;
}

.img_url {
    display: block;
    width: 224px;
    border: none;
    border-radius: 8px;
    justify-self: center;
}

.img_url:hover {
    cursor: pointer;
}

.head {
    display: block;
    width: 100%;
    padding: 20px;
}

.head_title {
    position: relative;
    float: left;
}

.tile_grid {
    display: grid;
    grid-column-gap: 15px;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    padding: 40px;
    gap: 20px;
}

.tile {
    display: grid;
    justify-self: center;
}

.tile_title {
    padding: 10px;
    display: block;
    font-family: monospace;
}

.back_link {
    display: table-row;
    height: 20px;
    text-align: right;
}

.youtube_object {
    display: block;
    width: 640px;
    height: 390px;
    margin-left: auto;
    margin-right: auto;
}

table {
    border: none;
    margin-left: auto;
    margin-right: auto;
}

.safari-content {
    height: 100%;
    margin-left: 20px;
    margin-right: 0
}

.safari-content::before {
    content: '';
    position: absolute;
    z-index: 2;
    box-shadow: inset 10px -10px 8px -10px black;
    top: 0;
    right: 0;
    bottom: 0;
    left: 170px;
    height: 300px;
    pointer-events: none;
}

.safari-content iframe {
    width: 100%;
    height: 300px;
    border: none;
}