.header {
    overflow: hidden;
    background-image: url('../img/');
    width:100%; height:150px; margin:0; padding:0;
    background-repeat: no-repeat;
    background-position: center center;
    background-size:cover center;
  }
  
 
  
 
  /* 
    ##Device = Laptops, Desktops
    ##Screen = B/w 1025px to 1200px
  */
  
  @media (min-width: 1025px) and (max-width: 1200px) {
  
    .header.responsive {position: relative;}
    .header{height:50px;}
    
  }
  
  /* 
    ##Device = Tablets, Ipads (portrait)
    ##Screen = B/w 768px to 1024px
  */
  
  @media (min-width: 768px) and (max-width: 1024px) {
  
    .header.responsive {position: relative;}
    .header{height:50px;}
    
    
  }
  
  /* 
    ##Device = Tablets, Ipads (landscape)
    ##Screen = B/w 768px to 1024px
  */
  
  @media (min-width: 768px) and (max-width: 1024px) and (orientation: landscape) {
  
    .header.responsive {position: relative;}
    .header{height:50px;}
    
    
  }
  
  /* 
    ##Device = Low Resolution Tablets, Mobiles (Landscape)
    ##Screen = B/w 481px to 767px
  */
  
  @media (min-width: 481px) and (max-width: 767px) {
  
    .header.responsive {position: relative;}
    .header{height:50px;}
    
    
  }
  
  /* 
    ##Device = Most of the Smartphones Mobiles (Portrait)
    ##Screen = B/w 320px to 479px
  */
  
  @media (min-width: 0px) and (max-width: 480px) {
  
    .header.responsive {position: relative;}
    .header{height:50px;}
    
    
  }