* {
  box-sizing: border-box;
}

body {
  background-color: rgb(216, 248, 173);
}

.column {
  float: left;
  width: 20%;
  padding: 10px 10px;
}

.row {
  margin: 0 15px;
}

.row:after {
  content: "";
  display: table;
  clear: both;
}

.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  padding: 16px;
  background-color: lightblue;
}

.list-group-item-action:focus,
.list-group-item-action:hover {
  color: black;
  background-color: aquamarine;
  font-weight: bold;
}

.carousel-inner img {
  width: 100%;
  height: 100%;
}

@media screen and (max-width: 600px) {
  .column {
    width: 100%;
    display: block;
    margin-bottom: 20px;
  }
}

.container {
  padding: 30px;
}