Максим

$(window).scroll(function(){
  if($(this).scrollTop() > 1){
    $('.nav').addClass('sticky');
  } else {
    $('.nav').removeClass('sticky');
  }
});

.logo {fill: #ff0000;}

 <path class="logo">

#nav ul { position: relative; }

#nav ul li div.block {
    width: initial;
    ...
    position: absolute;
    left: 0;
    right: 0;
}

Cannot find device "wlan0"
Failed to get interface index: No such device

img {
height:100px;
width: auto;
}
p {
line-height: 20px;
}