html,body{
  margin:0;
  padding:0;
}
h1 {
  margin-left:280px;
  font-size: 60px;
}
h2 {
  font-size: 30px;
}
a {
  color: #AA0000;
}

#centered_content{
    margin: auto;
    position:relative;
    background-image:url('images/bg_tile.png');
    width:983px;
    min-height:100vh;
}

.clearfix {
  overflow: auto;
}
.menu-top {
  width: 733px;
  height: 40px; 
  position: sticky;
  top: 0;
  float: right;
  z-index: 1;
  background-color: #DDDDDD;
}
.menu-top-button {
  width: 180px;
  height: 40px; 
  border: 3px solid #505050;
  color: #505050;
  font-size: 20px; 
}
.menu-left {
  width: 200px; 
  float:left;
  position: sticky;
  top: 0;
  z-index: 1;
  font-size: 20px;
}
.main {
  position:absolute;
  padding-top: 10px;
  top: 0;
  left: 0;
}
.container {
  width: 700px;
  height: 100px; 
  margin-left: 250px;
  font-size: 20px; 
}

/* Use a media query to add a breakpoint at 1600px: */
@media screen and (min-width: 1600px) {
/* This settings are used when the viewport is 1600px or smaller */


  h1 {
    margin-left:420px;
    color: #000000;
    font-size: 90px;
  }
  h2 {
    color: #000000;
    font-size: 45px;
  }
  a {
    color: #AA0000;
  }

  #centered_content{
      width:1475px;
  }

  .menu-top {
    width: 1100px;
    height: 60px; 
  }
  .menu-top-button {
    width: 270px;
    height: 60px; 
    font-size: 30px; 
  }
  .menu-left {
    width: 300px; 
    font-size: 30px;
  }
  .main {
    padding-top: 15px;
  }
  .container {
    width: 1050px;
    height: 150px; 
    margin-left: 375px;
    font-size: 30px; 
  }
}