.menu_item{
    font-family: Nexa Light;
    color: #121010;
    font-size: 15.21px;
    font-weight: 400;
    font-family: Nexa Light;
    color: #787878;
    font-size: 15.21px;
    line-height: 21.006px;
    transform: scale(1.977,1.977);
    width: 54.9%;
    height: 0.5%;    
    padding-left: 10%;    
}

#menu_pc.show-for-small-up{
    position: fixed;
    height: 27%;
    alignment-adjust: central;
    background-color: #fdfdfd;
}

#menu_logo.hidden-for-small{
    position: relative;        
    left: 10.6%;
}

header {
    position: fixed; 
    z-index: 10; 
}
.article {    
    width: 100%;
    height: 100%;
    z-index:0; 
    -webkit-transform: translateZ( 0 );
    transform: translateZ( 0 );
    -webkit-transition: -webkit-transform 2s ease-in-out;
    transition: transform 2s ease-in-out;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
}