.alignright{text-align:right}
.aligncenter{text-align:center}
.alignleft{text-align:left}
.alignjustify{text-align:justify}
.aligntop{vertical-align:top}
.aligntexttop{vertical-align:text-top}
.aligntextbottom{vertical-align:text-bottom}
.alignsuper{vertical-align:super}
.alignsub{vertical-align:sub}
.alignmiddle{vertical-align:middle}
.alignbottom{vertical-align:bottom}
.alignbaseline{vertical-align:baseline}
.ltr{direction:ltr}
.rtl{direction:rtl}
.valigntop{vertical-align:top;}
.white{background-color:#FFFFFF;}
.black{background-color:#000000;}
.floatleft {float:left ;}
.floatright {float:right  ;}
.floatnone {float:none ;}
.clearboth{clear: both;}
.clearleft{clear: left;}
.clearright{clear: right;}
.displayblock{display: block;}
.displaynone{display: none ;}