* {
  box-sizing: border-box;
}

.strike {
  text-decoration: line-through;
}
/* Create three columns of equal width */
.columns {
  float: left;
  width: 20%;
  padding: 8px;
}

/* Style the list */
.price {
  list-style-type: none;
  border: 1px solid #eee;
  border-radius: 8px;
  overflow: hidden;
  margin: 0;
  padding: 0;
  -webkit-transition: 0.3s;
  transition: 0.3s;
}

/* Add shadows on hover */
.price:hover {
  box-shadow: 0 8px 12px 0 rgba(0, 0, 0, 0.2);
}

/* Pricing header */
.price .header {
  background: linear-gradient(to right, teal, #74d6d6);
  color: white;
  font-size: 25px;
}

.price .header-gold {
  background: linear-gradient(to right, rgb(190, 156, 81), #ddcd85);
  color: white;
  font-size: 25px;
}

.price .header-grey {
  background: linear-gradient(to right, rgb(190, 156, 81), #ddcd85);
  color: white;
  font-size: 25px;
}

#container {
  display: flex;
  flex-direction: column;
  width: 100%;
}

#priceCardsContainer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-evenly;
}

/* List items */
.price li {
  border-bottom: 1px solid #eee;
  padding: 20px;
  text-align: center;
}

/* Grey list item */
.price .grey {
  background-color: #eee;
  font-size: 20px;
}

/* The "Sign Up" button */
.button {
  background: linear-gradient(to right, rgb(190, 156, 81), #ddcd85);
  border: none;
  border-radius: 4px;
  color: white;
  padding: 10px 25px;
  text-align: center;
  text-decoration: none;
  font-size: 18px;
}

.button-teal {
  background: linear-gradient(to right, teal, #74d6d6);
  border: none;
  border-radius: 4px;
  color: white;
  padding: 10px 25px;
  text-align: center;
  text-decoration: none;
  font-size: 18px;
}

/* Change the width of the three columns to 100%
  (to stack horizontally on small screens) */
@media only screen and (max-width: 1000px) {
  .columns {
    width: 50%;
  }

  #container {
    margin: 0;
  }

  #container h2,
  #container p {
    margin: 2% auto;
  }
}

@media only screen and (max-width: 700px) {
  .columns {
    width: 80%;
    margin: 2% 10%;
  }
}