nav{
  display: flex;
  flex-direction: row;
  justify-content: right;
  align-items: center;
  background-color: white;
  color : #242424;
  padding: 25px 50px;
  position: fixed;
  left: 0;
  right: 0;
  padding-top: 10px;
  z-index: 2;
}


nav ul {
  display: inline;
}

nav li {
  display: inline;
}

nav li a {
  margin: 0 5px;
  color: black;
}

.categories a {
  margin-left: 30px;
}

/* ENTETE DEROULANT */

hgroup {
  position: relative;
  transition: .15s ease all;
  padding-top: 65px;
}

hgroup h1 {
  font-weight: 300;
  font-size: 4.5em;
  color:#b4a49c;
}

hgroup h2 {
  font-size: 1.25em;
  color:#b4a49c;
}

#masthead.scrolled {
  height: 65px;
}

#masthead.scrolled hgroup {
  opacity: 0;
  transform: translateY(-75px);
}

#masthead {
  z-index: 1000;
  position: fixed;
  width: 100%;
  height: 300px;
  background: white;
  transition: .5s ease all;
}

@media screen and (max-width: 880px) {
  nav {
    display: flex;
    flex-direction: row;
    justify-content: right;
    align-items: center;
    padding: 20px 20px 20px 90px;
    height: 50px;
  }
  header nav img {
    margin-bottom: 20px;
  }
  nav a {
    margin-left: 10px;
    margin-right: 10px;
  }

  .categories nav{
    display: none;
  }

  hgroup h2 {
    font-size: 1.1em;
  }

  hgroup h1 {
    font-size: 3em;
}

  #masthead {
    height: 200px;
  }
}