body
{
    font: 16px Verdana, Geneva, sans-serif;
    color: WhiteSmoke;
    padding: 0;
    margin: 5px;
    background-color: #001;
}
div
{
    padding: 0;
    margin: 0;
}
button
{
    cursor: pointer;
}
.hide
{
    display: none;
}


/****************************************************************************/
/* App */
/****************************************************************************/
 #app
{
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 2px;
}

#app > header
{
    margin: 0;
    padding: 2px 4px;
    font-size: 1.5em;
    background-color: #445;
    height: 1.25em;
    border-radius: 4px;
}

#main
{
    position: absolute;
    top: 2.25em;
    bottom: 3em;
    left: 0;
    right: 0;
    background-color: #423;
    background: -webkit-linear-gradient(top, #845, #423);
    background: -moz-linear-gradient(top, #845, #423);
    background: -ms-linear-gradient(top, #845, #423);
    background: linear-gradient(top, #845, #423);
    padding: 6px;
    border-radius: 4px;
}

canvas
{
    cursor: crosshair;
    background-color: black;
}

#app > footer
{
    position: absolute;
    padding: 4px 0;
    bottom: 0;
    left: 0;
    right: 0;
    height: 2em;
}

#settings input
{
    text-align: right;
    height: 1em;
    margin: 2px;
    vertical-align: middle;
}

#settings input[type=range]
{
    background-color: White;
    width: 10em;
}

#settings input[type=number]
{
    width: 4em;
}

#settings label
{
    text-align: right;
    width: 8em;
    display: inline-block;
}

#settings button
{
    border: 1px solid WhiteSmoke;
    border-radius: 4px;
    padding: .5em 1em;
    width: 7em;
    color: WhiteSmoke;
    background-color: #001;
    font: inherit;
}