.jquery-checkbox       { display: inline; font-size: 20px; line-height: 20px; cursor: pointer; cursor: hand; }
.jquery-checkbox .mark { display: inline;}

.jquery-checkbox img { vertical-align: middle; width: 19px; height: 19px; }
.jquery-checkbox img { background: transparent url('../images/quiz/checkbox.gif') no-repeat; }

.jquery-checkbox img { background-position: 0px 0px; }
.jquery-checkbox-hover img { background-position: 0px 0px; }
.jquery-checkbox-checked img { background-position: 0px -19px; }
.jquery-checkbox-checked .jquery-checkbox-hover img { background-position: 0px -19px; }

.jquery-checkbox-disabled img { background-position: 0px -38px; }
.jquery-checkbox-checked .jquery-checkbox-disabled img { background-position: 0px -38px; }