Update style.css

removed 

#header_bar {
 position:relative;
  width:100%;
  height:75px;
  margin:0 0 5% 0;
  z-index: 10;
}
h1 a,  #header_bar a {
  text-decoration:none;
  color:#ccc;
  
}

h1 a,  #header_bar a:hover {
  text-decoration:none;
  color:#fff;
  transition: scale (1.5, 1.5);
}