.sf_blog_extra3 {
    background-position: left top;
    background-repeat: no-repeat;
    float: right;
    height: 130px;
    width: 507px;
    background-image: url(images/Dibujo3.jpg);
 }

 h3.sf_blog_posttitle a {
    text-decoration: underline;
    color: #6A2EA8;
 }

 a:link {
    color: #6A2EA8;
 }

 a:visited {
    color: #6A2EA8;
 }

 a:hover {
    text-decoration: none;
    color: #6A2EA8;
 }