.topnav {
  overflow: hidden;
  background-color: #403B3B;
  
}

.topnav a {
  float: right;
  display: block;
  color: #CFB53B;
  text-align: center;
  padding: 5px 5px 5px 5px;
  margin: 10px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #FFDF00;
  color: black;
  padding: 5px 5px 5px 5px;

}

.topnav .search-container {
  float: left;
  padding: 5px;
}

.topnav input[type=text] {
  padding: 6px;
  margin-top: 8px;
  font-size: 13px;
  border: none;
}

.topnav .search-container button {
  float: none;
  padding: 6px 6px 6px 6px;
  margin-top: 8px;
  margin-right: 16px;
  background: #CFB53B;
  font-size: 13px;
  border: none;
}

.topnav .search-container button:hover {
  background: #FFDF00;
}

@media screen and (max-width: 600px) {
.topnav .search-container {
    float: left;
  }