body {
  background-color: #f5f5f5;
  margin: 0;
  font-family: "Roboto", sans-serif;
}

.navbar {
  background-color: white;
  padding: 15px;
  /*segunda fase*/
  display: flex;
  justify-content: space-between;
  align-items: center;
  /*segunda fase*/
}

.navbar-title {
  font-weight: bold;
  font-size: 25px;
}

.navbar-menu {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.navbar-menu ul {
  /*segunda fase*/
  list-style: none;
  display: flex;
  /*segunda fase*/
}

.navbar-menu li {
  margin: 0px 5px;
  cursor: pointer;
}

/*quarta fase*/
#active {
  color: grey;
}

.navbar-menu li:hover {
  color: grey;
}

.navbar-menu i {
  margin-left: 10px;
  font-size: 14px;
  cursor: pointer;
}

.navbar-menu i:hover {
  color: grey;
}
/*quarta fase*/

.header {
  background-image: url(https://encrypted-tbn0.gstatic.com/images?q=tbn%3AANd9GcS_JxyiupBazJ4ByyFbx7Dd24u5AkWL2faVJ3QG7geKCEjeuzv5);
  background-size: cover;
  background-repeat: no-repeat;
  height: 400px;
  /*segunda fase*/
  display: flex;
  justify-content: center;
  align-items: center;
  /*segunda fase*/
}

.header div {
  background-color: white;
  padding: 20px 40px;
  font-size: 30px;
}

.cards {
  display: flex;
  /*quarta fase*/
  flex-wrap: wrap;
  justify-content: center;
}

/*terceira fase*/
.card {
  width: 250px;
  /*quarta fase*/
  margin: 30px;
}

.card-header img {
  width: 100%;
}

.card-body {
  text-align: center;
  padding: 15px 25px;
  background-color: white;
}

.card-content h1 {
  font-size: 20px;
  margin: 0;
}

.card-content h2 {
  margin-top: 5px;
  font-size: 12px;
  font-weight: 100;
  color: grey;
}

.card-content p {
  font-size: 12px;
}

.card-footer {
  display: flex;
  font-size: 12px;
  justify-content: space-between;
  color: grey;
}

/**/
.card-footer a {
  text-decoration: none;
  color: grey;
}
/**/

footer {
  background-color: #0e0e0e;
  color: white;
  text-align: right;
  padding: 30px 30px 20px;
}

footer p {
  font-size: 14px;
  margin: 0;
}
