styles.css

body {
    text-align: center;
    background-color: #F2F3F4;
}

h1 {
    font-family: Monoton;
    font-size: 60px;
    margin: 0.2em;
}

h2 {
    margin: 0.7em 0 0.2em;
    font-family: Roboto, Raleway;
    font-size: 20px;
}

h2:first-of-type {
    margin-top: 0.2em;
}

#sizePicker {
    font-family: Roboto, Raleway;
}

#colorPicker {
    margin: 5px 0 5px 0;
}

table,
tr,
td {
    border: 1px solid black;
}

table {
    border-collapse: collapse;
    margin: 0 auto;
}

tr {
    height: 20px;
}

td {
    width: 20px;
}

.toggle {
    border: 0px;
}

input[type=number] {
    width: 4em;
    height: 18px;
    background-color: white;
    border: 1px solid grey;
    border-radius: 5px;
    box-shadow: 0px 1px 1px 0px grey;
    text-align: center;
}

input[type=submit] {
    margin: 15px 0 5px 0;
    padding: 3px 15px;
    background-color: #D8D8D8;
    border: 1px solid grey;
    border-radius: 5px;
    box-shadow: 0px 1px 1px 0px grey;
    cursor:pointer;
    font-family: Roboto, Raleway;
    font-size: 12px;
    display: inline-block;
}

input[type=color] {
    width: 42px;
    height: 25px;
}

input[type=button] {
    margin: 15px 0 5px 0;
    padding: 3px 15px;
    background-color: #D8D8D8;
    border: 1px solid grey;
    border-radius: 5px;
    box-shadow: 0px 1px 1px 0px grey;
    cursor:pointer;
    font-family: Roboto, Raleway;
    font-size: 12px;
    display: inline-block;
}

#canvas {
    margin-top: 10px;
    margin-bottom: 100px;
}

#pixel_canvas {
    margin-top: 10px;
    margin-bottom: 10px;
    cursor:crosshair;
}

#footer {
  position: fixed;
  width:100%;
  right: 0;
  bottom: 0;
  left: 0;
  padding: 0.4rem;
  background-color: #708090;
  font-family: Roboto, Raleway;
  font-size: 14px;
  text-align: center;
}