.header {
  padding: 30px;
  text-align: center;
  background: black;
  color: white;
  font-size: 30px;
}
/* Add a black background color to the top navigation */
.topnav {
  background-color: black;
  overflow: hidden;
}

/* Style the links inside the navigation bar */
.topnav a {
  float: left;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

/* Change the color of links on hover */
.topnav a:hover {
  background-color: #9dff00;
  color: black;
}

/* Add a color to the active/current link */
.topnav a.active {
  background-color: #9dff00;
  color: black;
}
 /* The side navigation menu */
.sidebar {
  margin: 0;
  padding: 0;
  width: 200px;
  background-color: #f1f1f1;
  position: fixed;
  height: 100%;
  overflow: auto;
}

/* Sidebar links */
.sidebar a {
  display: block;
  color: black;
  padding: 16px;
  text-decoration: none;
}

/* Active/current link */
.sidebar a.active {
  background-color: #04AA6D;
  color: white;
}

/* Links on mouse-over */
.sidebar a:hover:not(.active) {
  background-color: #555;
  color: white;
}

/* Page content. The value of the margin-left property should match the value of the sidebar's width property */
div.content {
  margin-left: 200px;
  padding: 1px 16px;
  height: 1000px;
}

/* On screens that are less than 700px wide, make the sidebar into a topbar */
@media screen and (max-width: 700px) {
  .sidebar {
    width: 100%;
    height: auto;
    position: relative;
  }
  .sidebar a {float: left;}
  div.content {margin-left: 0;}
}

/* On screens that are less than 400px, display the bar vertically, instead of horizontally */
@media screen and (max-width: 400px) {
  .sidebar a {
    text-align: center;
    float: none;
  }
} 
body{
    background-image: url(https://media.discordapp.net/attachments/817760908944211979/1435046223659798548/Untitled_design4.png?ex=690a8a71&is=690938f1&hm=bc50788b73facb70cd115fc7bf85d85ac68444d04bff1bebc3657f8d106dc50c&=&format=webp&quality=lossless&width=1325&height=745);
    background-repeat: no-repeat;
    background-position: center;
    background-attachment: fixed;
    background-size: cover;
}