nav { display: none;
}
nav ul {
  float: right; 
}
nav ul li {
  display: none;
  float: left;
}
nav ul li:not(:first-child) {
  margin-left: 15px;
}
nav ul li a {
  display: inline-block;
  outline: none;
  color: #1f2227;
  font-size: 16px;
  text-decoration: none;
  letter-spacing: 0.04em; 
}
nav ul li a:hover {
  color: #808080;
  text-decoration: none;
}

@media screen and (max-width: 450px) {
	nav { display:block; font-family: Times, "Times New Roman", "serif"; }
  .nav-container {
    position: fixed;
    top: 0;
    left: 0;
    height: 100%;
    width: 100%;
    z-index: -1;
    background: #1a2d4e;
    opacity: 0;
    transition: all 0.2s ease;
  }
  .nav-container ul {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
  }
  .nav-container ul li {
    display: block;
    float: none;
    width: 100%;
    text-align: right;
    margin-bottom: 10px;
  }
  .nav-container ul li:nth-child(1) a {
    transition-delay: 0.2s;
  }
  .nav-container ul li:nth-child(2) a {
    transition-delay: 0.3s;
  }
  .nav-container ul li:nth-child(3) a {
    transition-delay: 0.4s;
  }
  .nav-container ul li:nth-child(4) a {
    transition-delay: 0.5s;
  }
  .nav-container ul li:not(:first-child) {
    margin-left: 0;
  }
  .nav-container ul li a {
	padding:  10px 25px;
    opacity: 0;
    color: #fff;
    font-size: 24px;
    font-weight: 600;
    transform: translateY(-20px);
    transition: all 0.2s ease;
  }
.tiracontainer { padding: 1px; color: #fff; font-size: 14px; border-bottom: 2px dashed #FFFFFF;}
.tiracontainercontacto { padding: 10px 25px; color: #fff; font-size: 14px; font-family: 'Helvetica Neue', sans-serif;}
	
  .nav-open {
    position: fixed;
    left: 10px; 
    top: 8px;
    display: block;
    width: 44px;
    height: 44px;
    cursor: pointer;
    z-index: 9999;
    border-radius: 3px;
	background-color:#1a2d4e; 
	border:1px solid #FFFFFF;
  }
  .nav-open i {
    display: block;
    width: 19px;
    height: 2px;
    background:#fff;
    border-radius: 2px;
    margin-left: 12px;
  }
  .nav-open i:nth-child(1) {
    margin-top: 16px;
  }
  .nav-open i:nth-child(2) {
    margin-top: 4px;
    opacity: 1;
  }
  .nav-open i:nth-child(3) {
    margin-top: 4px;
  }
}
#nav:checked + .nav-open {
  transform: rotate(45deg);
	border:1px solid #1a2d4e;
}
#nav:checked + .nav-open i {
  background: #fff;
  transition: transform 0.2s ease;
	
}
#nav:checked + .nav-open i:nth-child(1) {
  transform: translateY(6px) rotate(180deg);
	
}
#nav:checked + .nav-open i:nth-child(2) {
  opacity: 0;
}
#nav:checked + .nav-open i:nth-child(3) {
  transform: translateY(-6px) rotate(90deg);
}
#nav:checked ~ .nav-container {
  z-index: 9990;
  opacity: 1;
}
#nav:checked ~ .nav-container ul li a {
  opacity: 1;
  transform: translateY(0);
}
.hidden {
  display: none;
}