body {
  background-color: coral;
  font-family: "Lato", sans-serif;
}

  

.sidenav {
  height: 50%;
  width: 200px;
  position: fixed;
  z-index: 1;
  top: 4;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  padding-top: 20px;
}

.sidenav a {
  padding: 6px 6px 6px 32px;
  text-decoration: none;
  font-size: 25px;
  color: #818181;
  display: block;
}


.main {
  margin-left: 200px;
}
.bottom-line {
    
    border-bottom: 5px solid rgb(0, 0, 0);
  }
.uper-space{
    padding-top: 20px; 
}
.bottom-space{
    padding-top: 40px;
}