canvas{
    width: 300px;
}

body{
    margin: 0;
}

h1{
    background-color: black;
    color:white;
    text-align: center;
    margin: 0;
    padding: 3px;
}

#content{
    display: flex;
    flex-direction: column;
    align-items: center;
    margin-top: 5px;
}

p,input,button{
    margin:5px;
}