.catalogo-flipbook {
    position: relative;
    width: 100%;
    max-width: 900px;
    margin: 0 auto;
    border: 2px solid #ccc;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.2);
    background: #fff;
    overflow: hidden;
}

.flipbook-pages {
    width: 100%;
    height: auto;
    position: relative;
}

.flipbook-pages .page {
    position: relative;
    width: 100%;
    height: auto;
}

/* Loading */
.loading {
    text-align: center;
    padding: 30px;
    font-size: 1.2em;
    color: #666;
}

/* Botones de navegación */
.ga-nav {
  text-align: center;
  margin-top: 30px;
  display: none;
  margin-bottom: 90px;
}

.ga-nav button {
    position: relative;
  display: inline-block;
  width: auto;
  height: 39px;
  line-height: 36px;
  margin: 0;
    margin-bottom: 0px;
  margin-bottom: 0px;
  padding: 0 23px;
  border: 2px solid #303030;
  font-weight: 700;
  text-align: left;
  color: #303030;
  text-decoration: none;
  cursor: pointer;
  white-space: nowrap;
  outline: 0;
  font-style: normal;
  text-transform: uppercase;
  letter-spacing: 1px;
  -o-border-radius: 4px;
  -moz-border-radius: 4px;
  -webkit-border-radius: 4px;
  -ms-border-radius: 4px;
  border-radius: 4px;
  text-shadow: none;
  background-color: transparent;
  -webkit-transition: all .1s linear;
  -moz-transition: all .1s linear;
  -ms-transition: all .1s linear;
  -o-transition: all .1s linear;
  transition: all .1s linear;
}
.ga-nav button:hover {
background-color: #1abc9c;
  border-color: #1abc9c;
  color: #fff;
  text-decoration: none;
}

/* Formulario */
.catalogo-formulario h2 {
  text-align: center;
}
.catalogo-formulario .gf_browser_gecko {
  padding: 30px;
  max-width: 900px;
  margin: auto;
    margin-top: auto;
  background-color: #f3f3f1 !important;
  box-sizing: border-box;
  margin-top: 60px;
}