.arabic-activity{
    border: 1px solid #ddd;
    padding: 15px;
    margin: 20px 0;
    font-family: Arial;
}

.rtl{
    direction: rtl;
    text-align: right;
    font-size: 20px;
    margin-bottom: 10px;
}

.word{
    cursor: pointer;
    padding: 3px;
}

.word.selected{
    background: red;
    color: white;
}