.content_taxonomia {width: 50%; height: auto; float:left}
#textfield {width:250px; }
#texto{ width:100%; font-family: Arial; font-size: 14px; text-align: center;}
#marco { float:left; width:40%; margin:auto;}
/*#boton {width: 150px; height:35px; }*/
#texto { font-family:Arial,Helvetica; font-size:1.2em; }
#h3 {text-align: left; text-transform: margin-left:25px; font-size: 14px; font-family: Arial;}
/*#titulo_modelo { text-align: left; text-transform: uppercase;}*/
#lista_modelo { text-align:left; font-family:Arial; font-size: 12px; padding:1px; margin-left:40px; }
#lista {width:40%}

.div_text { width:90%; height:80px; left ; margin: 5px; float: left;}
.div_lista { width:90%; height:80px; left ; margin: 5px; float: left;}
.div_boton { width:90%; height: 80px; text-align:center; margin: 5px; float: left;}
.content_lista {width: 300px; height: auto; float: right; margin: 15px;  border: solid 5em #000000;}