tensorstyle.css

body {
  font-family: Arial, sans-serif;
  background-color: #f2f2f2;
  padding: 20px;
}

h1 {
  text-align: center;
}

.card-container {
  text-align: center;
  margin: 20px auto;
}

.card-container img {
  max-width: 20%;
  width: 20%;
  height: auto;
  cursor: pointer;
}

  .card-image {
    max-width: 100%;
    width: 20%;

@media screen and (min-width: 768px) {

  .card-container .card {
    max-width: 100%;
    width: 100%;
    }
  }
}

.hidden {
  display: none;
}

.controls {
  text-align: center;
  margin-top: 20px;
}

.controls label {
  font-weight: bold;
}

.controls select {
  margin: 0 10px;
}

.controls button {
  padding: 10px 20px;
  background-color: #337ab7;
  color: #fff;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}