/* elemen selector */
body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  margin: 0;
  padding: 0;
}

nav {
  background-color: #4a148c;
  padding: 5px;
}

nav a {
  color: white;
  text-decoration: none;
}

nav a:hover {
  font-weight: bold;
}

nav li {
  list-style-type: none;
  display: inline;
  margin-right: 20px;
}

footer {
  background-color: #4a148c;
  color: white;
  text-align: center;
  padding: 10px;
  margin: 8vh 0 0 0;
}

main {
  overflow: auto;
  padding: 20px;
}

/* grup selector */
h2,
h3 {
  color: #4a148c;
}

aside {
  text-align: center;
  width: 24%;
  float: left;
}

* {
  box-sizing: border-box;
}

/* class selector */
.jumbotron {
  background-color: #9c27b0;
  color: white;
  padding: 50px;
  text-align: center;
  font-size: 20px;
}

.card {
  padding: 15px;
  border-radius: 5px;
  box-shadow: 0 4px 8px gainsboro;
}

.content {
  width: 75%;
  float: right;
}

.text-bold {
  font-weight: bold;
}

.label {
  background-color: #4a148c;
  color: white;
  padding: 5px;
  border-radius: 5px;
}

.feature-img {
  border-radius: 50%;
  width: 50%;
  height: 50%;
}

/* media query */
@media screen and (max-width: 922px) {
  .content, aside {
    width: 100%;
    float: none;
  }
}

@media screen and (max-width: 922px) {
  footer {
    display: block;
    margin: 10px 0;
  }
}