html * {
	      position: relative;
}


/* -------------  Equatiosn  ------------------- */

.eq-c{
	line-height: 1.4;
	padding: 0.25em 0.5em;
	font-size: 1.1em;
	text-align: center;
}



/* --------  Fractions     --------- */


.fraction {
	display: inline-block;
	vertical-align: middle; 
	margin: 0 0.2em 0.4ex;
	text-align: center;
}
.fraction > span { 
	display: block; 
	padding-top: 0.15em;
}
.fraction span.fdn {border-top: thin solid black;}
.fraction span.bar {display: none;}


/* ----------------------- */


.sy{
	/*padding-left: 1px;*/
	text-align: center;
}


.oncapital, .onsmall  {
	position: absolute;
	top: -1em;
	left: 0px;
	width: 100%;
	font-size: 70%;
	text-align: center;
}
.onsmall  {
	top: -0.7em;
}




/*    Limit   */

.limes {
	display: inline-block;
	margin: 0 0.2em;
	vertical-align: middle; 
	text-align: center;
}
.limes > span { 
	display: block;
	margin:-0.5ex auto;
}

.limes span.numup, 
.limes span.overdn {
	font-size: 70%;
}



/*         Sums and Integrals          */

.intsuma {
	display: inline-block;
	vertical-align: middle;
	text-align: center;
}
.intsuma > span {
	display: block;
	font-size: 70%;
}
.intsuma .lim-up {margin-bottom: -1.0ex;}
.intsuma .lim {margin-top: -0.5ex;}/**/
.intsuma .sum {font-size: 1.5em;font-weight:lighter;}
.intsuma .sum-frac {font-size: 1.5em;font-weight:100;}


/* ----------------------- */

.radical {
	font-size: 1.6em;
	vertical-align: middle;
}


.n-root {
	position: absolute;
	top: -0.333em;
	left: 0.333em;
	font-size: 45%;
}


.radicand { 
	padding: 0.25em 0.25em;
	border-top: thin black solid;
}


vec{
text-decoration: overline;
font-style: italic;
font-weight: bold;
}


top{
border-top: 1px solid;
}


span.ve{
background: url("arrow5.jpg") no-repeat top;
margin:30px 0px -20px 0px;

}


sgreen{
color:green;
}

sred{
color:red;
}