/*
:root{
  --main-color:#fff;
}
*/

*{
  padding: 0;
  margin: 0;
  box-sizing: border-box;
}

.main-header{
    width: 100%;
    height: calc(50px + 2vh);
    background-image: url(mosaico.png);
    background-repeat: repeat-x;
	background-size: contain;
}

nav{
  position: absolute;
  left:0;
  min-width: 300px;
  height:100vh;
/*background-color: rgba(255, 176, 64, 0.6);*/
background-color: rgba(5, 3, 33, 0.6);
  transform:translateX(-100%);
  transition:.4s ease;
z-index: 99;
text-transform: uppercase;
top: 0px;
padding-top: 80px;
font-weight:900;
font-size: 1.2em;
}

.navigation li{
  list-style:none;
  width: 100%;
  border-bottom: 1px solid rgba(255,255,255,.5);
}

.navigation a{
  color:white;
  display: block;
  line-height:3.5;
  padding: 0 10px;
  text-decoration:none;
  transition:.4s ease;
}

.navigation a:hover{
  transform:translateX(10%);
}

#btn-nav{
  display: none;
}

#btn-nav:checked ~ nav{
  transform:translateX(0);
}

.btn-nav{
  color:white;
  font-size:30px;
  position: absolute;
  left:0;
  top:0;
  cursor:pointer;
  padding:6.5px 15px;
  transition:.2s ease;
  background:rgba(0,0,0,.1);
z-index:100;
/*background-color: rgba(255, 176, 64, 0.6);*/
background-color: rgba(5, 3, 33, 0.6);
/*border: 2px solid black;*/
border-radius: 5px;
margin: 5px;
}

.btn-nav:hover{
  background:rgba(0,0,0,.3);
}