html {
  background-size: cover;
  background-repeat: no-repeat;
  background-position:  center;
  background-attachment:fixed;
  height : 100%;
  font-family: "Ironmonger";
}
body {
  display: grid;
  grid-template-columns: 1fr;
  grid-template-rows: 1fr 2fr 1fr;

}

header {
  grid-row : 1;
  margin-top : 0px;
  background : transparent;
}
main {
  grid-row : 2;
}
footer {
  grid-row: 3 ;
  margin-top: 5%;
}
footer > nav{
  margin-left : auto;
  margin-right: auto;
  text-align : center;
  display: flex;
  justify-content: center;
  border-radius : 50px;
  width : 25em;
}
main > nav{
  overflow: scroll;
  overflow-x: hidden;
}
a{
  color: white;
}

h1 {
  font-size : 3rem;
  text-align : center;
  padding : 0px;
}


a {
  text-decoration : none;
}

footer {
  margin-top : 2%;
}
footer > nav {
  width : 30em;
}
footer > nav > * {
  font-size : 1em;
}

#wrapper {
  position: relative;
  display: inline-block;
}

#selection {
  position: absolute;
  bottom: 100%;
  left: 50%;

  display: flex ;
  flex-direction : column;
  border-radius: 5px;

  pointer-events: none;
  transform: translateX(-50%) ;
  opacity: 0;
  transition: opacity 0.3s ease;
}

#inputnav {
  display: none;
}

#inputnav:checked ~ #selection {
  opacity: 1;
  pointer-events: auto;
}

#boutnav {
  border: hidden;
  background-color: transparent;
}
.liens {
  margin-top: 2px;
  margin-bottom: 2px;
}
.liens:hover {
  font-size: 1.1em;
} 


/*Version portrait telephone et tablette (plus adapté aux telephones)*/
@media (hover :none) and (orientation: portrait) {
h1 {
  font-size : 7rem;
  text-align : center;
  padding : 0px;
}

footer > nav {
  width : 55em;
}
footer > nav > * {
  font-size : 5em;
}
  .liens {
    font-size : 0.5em;
  }
}
/*Version paysage telephone et tablette (plus adapté aux tablettes)*/
@media (hover :none) and (orientation: landscape) {
h1 {
  font-size : 4rem;
  text-align : center;
  padding : 0px;
}

footer > nav {
  width : 55em;
}
footer > nav > * {
  font-size : 2em;
}
}