.sidebar {
  width: 150px;
  position: relative;
  float: left;
  margin-top: 10px;
  bottom: 0;
  opacity: 95%;
}

.nav a {
    font-size: 1em;
}

.nav a:hover:not(.active) {
    font-size: 1.15em;
  }

.content {
    position: relative;
    float: right;
    margin-top: 10px;
}