#board {
    display: none;
}
#canvas {
    border: 1px solid black;
    width: 600px;
    height: 600px;
}

#sample {
    height: 200px;
    position: relative;
}
#sample .dummy {
    width: 80px;
    height: 80px;
    border: 1px solid gray;
    margin: 20px 5px 10px 80px;
}
#sample div {
    display: block;
    position: absolute;
}

#sample div label {
    margin-right: 5px;
}
 
.input_minx, .input_maxx {left: 20px;}
.input_miny, .input_maxy {left: 190px;}
.input_minx{ top: 110px;}
.input_maxx{ top: 140px;}
.input_miny{ top: 60px;}
.input_maxy{ top: 30px;}

#show_btn{
    position: absolute; 
    top:141px;
    left:227px;
}

svg {
    width: 100%;
    height: 100%;
}

.tool {
    width: 300px;
    height: 500px;
    position: absolute;
    top: 230px;
    left: 700px;
}