.topnav {
  background-color: #c7c3c3;
  display: flex;
  justify-content: space-between;
  font-family: Arial, Helvetica, sans-serif;
}

.leftside {
  display: flex;
}

.topnav a {
  display: block;
  color: black;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #4caf50;
  color: white;
}
.topnav form {
  display: flex;
  align-items: center;
  margin-right: 16px;
}
.topnav input[type="text"] {
  font-size: 17px;
  border: none;
}

.topnav .fa-search,
.topnav button {
  margin: 0;
  border: none;
}

.topnav button {
  padding: 3px 10px;
}