body {
    background-color: lightgrey;
}
div.tutor_window {
    position: relative;
    background-color: white;
    border: 1px solid black;
    width: 700px;
    margin: 0 auto;
    padding: 5px;
    box-shadow: 10px 10px 5px grey;
}
div.ctat_example {
    margin:5px;
    padding:5px;
    display:inline-block;
    vertical-align:top;
}
div.ctat_code {
    display:inline-block;
    width:50%;
    border-left: 1px dotted gray;
    padding-left: 3px;
}
#hint-box {
    margin:3px;
    text-align:right;
}
#hint-button {
    margin: 0 5px 5px 5px;
}
#done-button {
    margin: 0 5px 0px 5px
}
#done {
    margin: 0 5px 0px 5px
}
#HintWindow {
    display: inline-flex;
}