.markItUp .markItUpButton1 a {background-image:url(images/bold.png);}
.markItUp .markItUpButton2 a {background-image:url(images/italic.png);}
.markItUp .markItUpButton3 a {background-image:url(images/stroke.png);}
.markItUp .markItUpButton4 a {background-image:url(images/link.png);}
.markItUp .markItUpButton5 a {background-image:url(images/picture.png);}

.markItUp .markItUpButton6 a {background-image:url(images/clean.png);}