body{
    font-family: arial,helvetica,sans-serif;
    background-color: #ffffff;
    color: #000000;

    padding-left: 5%;
    padding-right: 5%;
    font-size: small;
}

div.Titles{
    padding: 0.5em;;
    text-align: center;
    color: #000000;
}

.ExerciseTitle{
    font-size: 140%;
    color: #000000;
}

.ExerciseSubtitle{
    font-size: 120%;
    color: #000000;
}

div.IndexDiv{
    margin-left: auto;
    margin-right: auto;
    padding: 2em;
    border-style: solid;
    border-width: 1px;
    text-align: center;
    width: 50%;
    background-color: #dddddd;
    color: #000000;
    font-size: 100%;
}
.LinkDiv{
    margin-left: auto;
    margin-right: auto;
    margin-top: 8px;
    padding: 2em;
    border-style: solid;
    border-width: 1px;
    width: 50%;
    background-color: lemonyellow;
    color: #000000;
    font-size: 100%;
}

.Index{
    text-align: left;
    font-size: 100%;
    line-height:150%;
}
input {
    font-family:Times New Roman;
    font-weight:bold;
}
a{
    color: #0000ff;
}

a:visited{
    color: #ff00ff;
}

a:hover{
    color: #0000ff;
}