body {

  margin: 0;
  padding: 0;
}
a{
  cursor: pointer;
}
.menu-toggle {
  width: 30px;
  height: 30px;
  position: absolute;
  margin-top: 10px;
  margin-left: 850px;
  cursor: pointer;
}
.menu-toggle.on .one {
   width: 100%;
  height: 3px;
  background: #004466;
  margin: 6px auto;
  backface-visibility: hidden;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}

.titulos {

;
  padding: 4px;
  padding-left: 10px;
  padding-right: 10px;
  height: 20px;
  position: relative;
  margin-top: 5px;
  margin-left: 5px;
  background-color: rgba(0, 51, 102, 0.5);
  color:#ffffff;
  font-family: 'Quicksand', sans-serif;
  font-size: 11px;

}

.boton_s {
    background-color: #383838; /* Green */
    border: none;
    color: white;
    padding: 3px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 0px 0px;
    cursor: pointer;
}



.boton_no {
    background-color: #383838; /* Green */
    border: none;
    color: #666666;
    padding: 3px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 0px 0px;
   
}

.boton_s:hover {
    background-color: #333333; /* Green */
    border: none;
    color: white;
    padding: 3px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 14px;
    margin: 0px 0px;
    cursor: pointer;
}

.menu_s {
  
  border-radius: 0px 0px 10px 10px;
  width: 900px;
  padding: 4px;
   padding-left: 0px;
   padding-right: 0px;
  height: 20px;
  position: absolute;
  margin-top: 0px;
  margin-left: 50px;
  background-color: #00FF00;
  color:#ffffff;
  font-family: 'Quicksand', sans-serif;
  font-size: 12px;

}



.menu-toggle.on .two {
	z-index: 5;
  width: 100%;
  height: 3px;
  background: #003366;
  margin: 6px auto;
  backface-visibility: hidden;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}
.menu-toggle.on .three {
	z-index: 5;
  width: 100%;
  height: 3px;
  background: #003366;
  margin: 6px auto;
  backface-visibility: hidden;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}

.one,
.two,
.three {
  width: 100%;
	z-index: 5;
  height: 3px;
  background: #003366;
  margin: 6px auto;
  backface-visibility: hidden;
  -moz-transition-duration: 0.3s;
  -o-transition-duration: 0.3s;
  -webkit-transition-duration: 0.3s;
  transition-duration: 0.3s;
}

nav ul {
  margin: 0;
  padding: 0;
  list-style: none;
  margin: 4em auto;
  text-align: center;
}
nav ul.hidden {
  display: none;
}
nav ul a {
  -moz-transition-duration: 0.5s;
  -o-transition-duration: 0.5s;
  -webkit-transition-duration: 0.5s;
  transition-duration: 0.5s;
  text-decoration: none;
  color: white;
  font-size: 2.5em;
  line-height: 1.5;
  width: 100%;
  display: block;
}
nav ul a:hover {
  background-color: rgba(23, 146, 159, 0.5);
}
.menu-section{
  margin-left: 0px;
}
.menu-section.on {
  z-index: 10;
  width: 900px;
 
  height: 510px;
  display: block;
  background-color: rgba(0, 0, 0, 0.55);
  position: absolute;
  margin-left: 0px;
}
iframe{
  margin: auto;
  text-align: center;
}