#contenido
{
    position: relative;
    float:left;
    width: 43.2em;
}
h3
{
    color: #036;
    margin-bottom: 0em;
    font-size: 1.2em;
}
h4
{
    color: #036;
    font-size: 1em;
}
#contenido li
{
    font-family: Arial;
    font-size: 1.2em;
    margin-top: 1em;
    padding-left: 3em;
    background-image: url(../images/guion-margen-arriba-izq.gif);
    background-position: top left;
    background-repeat: no-repeat;
}
#contenido li img
{
    margin-top: 1em;
    margin-left: 2em;
}
.enlinea
{
    display: inline;
}
#confondo
{
    height: 30em;
}
#conimagen
{
    position: relative;
    float: left;
    width: 35.5em;
    height: 22.8em;
    background-image: url(../images/toxicidad-eficacia-farmacos.gif);
    background-repeat: no-repeat;
    background-position: top left;
    margin-left: 2em;
}