html {
    overflow-y:scroll;
}
body {
    margin: 0;
    padding: 0;
    text-align: center;
}
#canvas {
    position: relative;
    margin: auto;
    text-align: left;
}
hr {
    border: none;
    margin: 0;
    padding: 0;
}
ul {
    list-style: none;
    margin: 0;
    padding: 0;
}
ul li {
    margin: 0;
    padding: 0;
}

h1 {
    margin: 0;
    padding: 0;
}
h2 {
    margin: 0;
    padding: 0;
}
h3 {
    margin: 0;
    padding: 0;
}
h4 {
    margin: 0;
    padding: 0;
}
h5 {
    margin: 0;
    padding: 0;
}
h6 {
    margin: 0;
    padding: 0;
}
.clearer {
    clear: both;
    height: 0;
    line-height: 0;
}