r {
    display: block;
    border: 1 solid gray;
    margin-bottom: 1.33ex;
    background-color: #eeeeee;
}

e {
    display: block;
    collapsible: yes;
    not-collapsible-head: 1;
    margin-bottom: 1.33ex;
    background-color: #eeeeee;
}

l {
	font-weight: bold;
	color: blue;
}

lc
 	{
    font-style: italic;
    font-size: smaller;
}

lc:before {
    content: "  ";  
    font-style: italic;
    font-size:small;
}

t + t:before {
    content: ", ";
    font-style: italic;
}

t {
    display: block;
    collapsible: yes;
    not-collapsible-head: 1;
    margin-bottom: 1.33ex;
    background-color: white;
}


tg > t:before {
	display: inline;
    content: counter(n, decimal) ". ";
    font-weight: bold;
}

tg {
    display: block;
    collapsible: yes;
    not-collapsible-head: 1;
    margin-bottom: 1.33ex;
    background-color: #eeeeee;
}

x:after {
	font-style: italic;
}

xt:before {
    font-style: italic;
    color: gray;
    vertical-align: super;
    content: " = ";
    
}
 

mg {
    display: block;
    collapsible: yes;
    border: 1 solid gray;
    margin-bottom: 1.33ex;
    background-color: #ffffff;
}

/*
tg {
    content: "; ";
}
*/

xg > x:before {
    collapsible: yes;
    border: 1 solid gray;
    margin-bottom: 1.33ex;
    background-color: red;
}

xg:after {
    display: block;
    content: "; ";
    collapsible: yes;
}