body {
  padding: 25px;
  background-color: black; /* Background color */
  background-image: url(https://blob.gifcities.org/gifcities/COH2QP4BUEIFE5ZX3GDYS346DYVWL5HN.gif); /* Change the url if you want a different background image */
}

.nav-bar {
  background-color: white; /* Change if needed */
  border-radius: 0px; /* Rounded corners. Change if needed */
  style: margin-top;
  min-height: 55px;
  height: auto;
  width: 805px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  margin-bottom: 4px;
  margin-top: 8px;
}

.ad-space img {
  max-width: 100%;
  height: auto;
  object-fit: contain; /* keeps it from stretching weirdly */
}


.sidebar {
  border-radius: 0px; /* Rounded corners. Change if needed */
  background-color: white;
  style: margin-right 10px;
  min-height: 500px;
  height: auto;
  width: 165px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  margin-bottom: 8px;
  margin-top: 8px;
  margin-right: 10px;
}

.ad-space {
  background-color: white; /* Change if needed */
  border-radius: 0px; /* Rounded corners. Change if needed */
  style: margin-top;
  min-height: 55px;
  height: auto;
  width: 805px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  margin-bottom: 4px;
  margin-top: 8px;
}

.header {
  background-color: white; /* Change if needed */
  border-radius: 0px; /* Rounded corners. Change if needed */
  style: margin-top;
  min-height: 55px;
  height: auto;
  width: 805px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  margin-bottom: 4px;
  margin-top: 8px;
}

.main-content {
    border-radius: 0px; /* Rounded corners. Change if needed */
  background-color: white;
  min-height: 500px;
  height: auto;
  width: 650px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  margin-bottom: 8px;
  margin-top: 8px;
  flex: 1;
}


.footer {
  background-color: white;
  min-height: 55px;
  height: auto;
  width: 805px;
  display: inline-flex flex;
  border: 2px solid gray;
  padding: 4px;
  style: margin-bottom;
  margin-top: 8px;
  margin-bottom: 8px;
  text-align: center;
}

#dotted {
  display: flex;
  border: 2px dotted black;
}

.wrapper {
  display: flex;
  width: 805px;
  margin: 8px 0;
}