body {
  padding: 50px;
  font: 14px "Lucida Grande", Helvetica, Arial, sans-serif;
}

a {
  color: #00B7FF;
}

h1 {
  font-family: Arial, sans-serif;
  color: red;
}

img {
  margin: 5px;
  border: 1px solid #ccc;
  float: left;
}

img:hover {
  border: 1px solid #777;
}

.button1 {
  background-color: #008CBA;
  font-size: 10px;
  border-radius: 4px;
  border: 2px solid #4CAF50;
  -webkit-transition-duration: 0.4s; /* Safari */
  transition-duration: 0.4s;
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0
  17px 50px 0 rgba(0,0,0,0.19);
}

product {
  margin: 5px;
  border: 2px solid #ccc;
  float: left;
  background: #ffffe6;
  box-shadow: 5px 5px 2px #888888;
  min-width: 200px;
  max-width: 200px;
  min-height: 250px;
  max-height: 250px;
  border-radius: 5px;
  padding: 5px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  border: 1px solid #e7e7e7;
  background-color: #f3f3f3;
}

li {
  float: left;
}

li a {
  display: block;
  color: #666;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover:not(.active) {
  background-color: #ddd;
}

li a.active {
  color: white;
  background-color: #4CAF50;
}  