* {
    margin: 0;
    padding: 0;
    list-style: none;
    outline-style: none;
}
ul li {
    float: left;
    margin-right: 50px;
}
section {
    width: 80%;
    margin: 50px auto;
}
#sketchpad {
    border: 1px solid #cecece;
    cursor: pointer;
    box-shadow: #a6a6a6 0 0 10px;
    border-radius: 10px;
}
section #main {
    margin-bottom: 20px;
}
section #set input[type=color] {
    border-radius: 5px;
    background-color: #d6d6d6;
}
section #set select {
    border-radius: 5px;
}
section #set input[type=button] {
    width: 40px;
    height: 25px;
    border: none;
    border-radius: 10px;
    background-color: #d6d6d6;
    cursor: pointer;
    font-size: 12px;
}