index.css

html, body {
    width: 100%;
    height: 100%;
}
body {
    margin: 0;
}
#container {
    width: 100%;
    height: 100%;
}

#pickerBox {
    position: absolute;
    left: 40px;
    top: 80px;
}

.tool {
    position: absolute;
    width: 90%;
    left: 40px;
    bottom: 80px;
    vertical-align:baseline
}

#start {
    float: right;
    background-color: black;
    padding: 10px 8px;
    color: white;
    cursor: pointer;
}

.graph{ 
    position: absolute;
    display: none;
    left: 40px;
    bottom: 40px;
    width: 450px;
    border: 1px solid #C75211; 
    height: 25px; 
}

#bar{ 
    display: block; 
    background: #e57233; 
    float: left; 
    height: 100%; 
    text-align: center; 
    font-family: Verdana; 
    line-height: 25px; 
    color: #FFF; 
}