span.frac { 	display: inline-block; 	text-align: center;  
}     
span.frac > sup { 	display: block; 	border-bottom: 1px solid; 	font: inherit;  
}     
span.frac > span { 	display: none;
}
span.frac > sub { 	display: block; 	font: inherit;
} 	
span.uml { 	display: inline-block; 	text-align: center; 	vertical-align:-5px;
}
span.uml > sup { 	display: block; 	font: inherit; 	position: relative; top: 10px;
}
span.uml > span { 	display: none;
}
span.uml > sub { 	display: block; 	font: inherit;  	vertical-align:5px;  
}
#box {   width:70%;
line-height: 1.5;  margin: 0px auto;     //margin-top: 10em; auto;   padding: 15px;   text-align: center;   background-color: #fff5ee;   // border: 1px solid blue;    // border-width:5px;   //  border-spacing: -15px;   //  border-margin:15px;
}
body {   margin: 20px;   text-align: center;  /* nur für alte Browser */   background-color: #29220a;//#e6e6fa;
}
hr.new1 {   border-top: 3px solid darkgrey;   width:20%;
}
.br
{
padding: 8px;
border-right: 5px solid #f00;
border-left: 5px solid #f00;
}