html, body {
    margin: 0;
    padding: 0;
    font-family: Helvetica, sans-serif;
    -webkit-background-size: cover;
    -moz-background-size: cover;
    -o-background-size: cover;
    background-size: cover;
    background: #cccccc;
}

a {
    color: #000;
}

#page_div {
    min-height: 100vh;
    display: flex;
    flex-direction: row;
    box-sizing: border-box;
    justify-content: center;
    align-items: center;
}

.button {
    height: 1.5em;
    width: 1.5em;
}

.config_box {
    border: 1px solid #CCC;
    border-radius: 5px;
    padding: 10px;
    background: #FFF;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.config_button {
    border: none;
    background-color: #EEE;
    margin-top: 20px;
    padding: 5px;
    border-radius: 5px;
    min-width: 120px;
    font-weight: bold;
    color: #444;
}

.config_button:hover {
   background-color: #DDD;
}

.config_table {
    width: 100%;
}

.header_column {
    width: 0%;
    white-space: nowrap;
}

.config_table td div {
    width: 100%;
    display: flex;
    gap: 5px;
    flex-direction: row;
}

.info {
    text-align: center;
    max-width: 300px;
    color: #888;
    font-size: 100%;
    margin-top: 20px;
}

.site_links {
    text-align: center;
    margin-top: 20px;
}

.grow {
    flex-grow: 1;
}

.expand_content {
    display: flex;
}

.hidden {
    visibility: hidden;
    opacity: 0;
    transition: visibility 0s 0.5s, opacity 0.5s linear;
}

.peek {
    opacity: 1.0;
    transition: opacity 0.5s linear;
}