body {
    background-color: white;
    color: black;
    font-family: sans-serif;    
}
.content {
    width: 400px;
    margin: auto;
}
input,textarea, button {
    display:block;   
    margin-bottom:10px;
}
textarea {
    width: 280px;
    height:20em;
}
button {
    font-size:40px;   
    width: 280px;

}

.chart div {
    height:20px;
    background-color: #ccc;
    position: relative;
}