body {
    margin: 5em;
    font-family: 'Helvetica', 'Arial';
    font-size:11px;
    width: 1040px;
}

canvas {
    border: 1px solid #ddd;
}

#histogram-input, #histogram-output {
    border: 6px solid #555;
    background-color: #444;
}

h1 {
    font-family: 'Helvetica', 'Arial';
    font-size:2em;
}

h2 {
    font-family: 'Helvetica', 'Arial';
    font-size:1.6em;
}

h3 {
    font-family: 'Helvetica', 'Arial';
    font-size:1.2em;    
} 

h4 {
    font-family: 'Helvetica', 'Arial';
    font-size:1em;
}


hr {
    background-color: #ddd;
    border:none;
    height:1px;
    text-align: left;
    margin: 2em 0 2em 0;
}

input {
    margin:0.5em 0;
}

.meta {
    color: #999;
}

.meta p {
    margin:0;
}

.tip {
    margin: 1em 0;
    font-size: 1em;
    color: #999;
}

#imgfile {
    display:none;
}

#filedrag{
	text-align: center;
	padding: 1em 0;
	margin: 1em 0;
	color: #555;
	border: 1px solid #ddd;
	border-radius: 7px;
	cursor: default;
    background-color: #f8f8f8;
    cursor:pointer;
    font-weight: normal;
}

#filedrag:hover {
    background-color: #f3f3f3;
}

#filedrag.hover {
    font-weight: bold;
    color: #0888e6;
}

.histograms div:first-child {
    float:left;
    margin-right:2em;
}