.topnav {
  width: 0;
  float: left;
  text-align: right;
  background-color: #0d0a15;
}

.topnav .menu{
  overflow: hidden;
  padding: 0;
text-align: right;
}

.box-header li {
  display: inline-block;
  list-style-type: none;
  background-color: white;
}

.box-header a {
  padding: 1% 2%;
  text-decoration: none;
  font-variant: petite-caps;
  
    margin: 0 2%;
  color: rgb(120, 117, 131);
  position: relative;
}

.box-header a:hover {
  color: #fff;
}

.box-header .menu a {
display: inline-block;
}
.topnav a:hover {
  
}

.topnav a.active {
  
}

.number_menu{
 font-size: 0.7em;
}

.element_menu{
  left: 20px;
position: relative;
}


.closebtn, .openbtn,.box-label {
  display: none;
}

.responsive_icon{
	overflow: hidden;
}


 .openbtn, .closebtn{
 	
 }

.menu{
  background-color: #0d0a15;
  width: 50%;
  margin: 0 auto;
    display: block;
    text-align: center;
}


@media screen and (max-width: 1000px) {
  .box-label, .openbtn{
    display: inline-block;
  }
.menu{
  display: none;
  -webkit-transform: translateY(-100%);
  transform: translateY(-100%);
}
.box-header .menu a {
display: block;
margin: 0 auto;
}
.menu {
    display: block;
    position: fixed;
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: #0d0a15;
    z-index: -1;
    text-align: center;
    padding: 35% 0;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateY(-100%);
    transform: translateY(-100%);
    overflow: hidden;
    -webkit-overflow-scrolling: touch;
    -webkit-transition-property: -webkit-transform;
    transition-property: -webkit-transform;
    transition-property: transform;
    transition-property: transform, -webkit-transform;
    -webkit-transition-duration: 0.4s;
    transition-duration: 0.4s;
    list-style: none;
  }



  .menu.is-visible{
    -webkit-transform: translateY(0);
    transform: translateY(0);
  }
  .change-menu .box-logo, .change-menu .topnav{
    background-color:#0d0a15;
  }
  .change-menu .openbtn{
    display: none;
  }
  .change-menu .closebtn{
    display: inline-block;
  }
  .menu li {
  display: block;
  margin: 2.4em 0 .8em;
}
.topnav {
  width: 100%;
  padding: 0 50px;
  }
  .element_menu {
    left: 0;
}
}