body {
    font-family: "ms gothic";
    color: cyan;
    margin: 50px;
    margin-left: 250px;
    margin-right: 250px;
    background-color: #009;
    padding: 20px
}

.header {
  font-size: 30px
}

.sidenav {
width: 160px;
  position: fixed;
  z-index: 1;
  top: 0;
  left: 200px;
  border-style: solid;
  border-color: red;
  margin: 25px;
  padding: 10px;
  background-color: yellow;
  font-size: 20px
}

.idk {
    width: 250px;
    position: fixed;
    z-index: 1;
    bottom: 0;
    right: 175px;
    border-style: solid;
    border-color: red;
    margin: 25px;
    padding: 10px;
    background-color: yellow;
    font-size: 20px
}

.navtext {
  line-height: 30px
}

.main {
  background-color: white;
  padding-left: 10px;
  padding-right: 10px;

}

/* This is a comment, by the way */

.maintext {
    line-height: 21px;
    margin-left: 180px;
    color: black;
    padding: 25px;
}

h2 {
    color: red;
    background-color: yellow;
    font-size: 40px;
    text-align: center;
    margin: 0;
    padding: 2px;
    padding-left: 14px;
}

h3 {
    color: red;
    background-color: yellow;
    font-size: 30px;
    text-align: center;
    margin: 0;
    padding: 2px;
    padding-left: 14px;
}