h1{font-family:arial; text-align:center; font-size:24pt; color: white ; font-weight:600; padding: 10px 10px;  }

* {
  box-sizing: border-box;
}

.menu {
  float: left;
  width: 18%;
  text-align: center;
}

.menu a {
  background-color: #e5e5e5;
  padding: 8px;
  margin-top: 7px;
  display: block;
  width: 100%;
  color: black;
  text-decoration: none;
}

.main {
  float: left;
  width: 60%;
  padding: 0 20px;
  color:black;
}

.right {
  background-color: #5D5D5D;
  float: left;
  width: 22%;
  padding: 15px;
  margin-top: 7px;
  text-align: center;
  color: white;
}

.footer {
  background-color: #5D5D5D;
  float: left;
  width: 100%;
  padding: 10px;
  margin-top: 7px;
  text-align: center;
  color: white;
  
}

@media only screen and (max-width: 620px) {
  /* For mobile phones: */
  .menu, .main, .right {
    width: 100%;
  }
}