h1{
        color:green;
}

img{
        margin:5px;
        width:200px;
        height:200px
        }


#img1{
        margin:5px;
        width:100%;
        height:200px
        }

#panel{
    padding: 5px;
    text-align: center;
    background-color: #e5eecc;
    border: solid 1px #c3c3c3;
}

#x, #y, #ans{
        width:60px;
        height:100px;
        text-align:center;
        background-color:#aaffaa
}