* {
  box-sizing: border-box;
}

:root {
  --dark: #13293d;
  --light: #fff;
  --blue: #2589bd;
  --lightgray: lightgrey;
  --border-radius: 40px;
}

body {
  font-family: Verdana, Geneva, Tahoma, sans-serif;
  margin: 0;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  justify-content: flex-start;  
}

header{
  background-color: var(--lightgray);
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
}

header ul {
  display: flex;
  list-style-type: none;
}

header ul li {
  margin: 0 10px;
}

a:link {
text-decoration: none;
}

main {
  display: flex;
  flex-wrap: wrap;
  flex-grow: 1;
  padding: 5%;
}
main h2 {
  padding: 3%;
  border-style: solid;
  border-color: var(--dark);
  border-width: 3px;
  width: 6.5em;
  height: 3em;
  align-items: center;
}

/* adding the border-radius, box-shadow, & transform to the card class. */
/* adds the rounded edges to the  card and bottom edges of the image*/
/* adds the shadow effect to the card */
/* rotates the card by 10 degrees to the right */
.card {
  color: #fff;
  display:flexbox;
  background-color: var(--dark);
  border: 1px solid var(--lightgray);
  padding: 10px;
  margin: 25px;
  flex: 80% 0 275px;
  border-radius: 12%;
  box-shadow: 10px 10px 5px #888888;
  transform: rotate(10deg);
  width: 25%;
}

.card-body {
  padding: 1.25rem 0 1.25rem 0;
}



/* This rounds out the edges of the top left & right of the card header. */
.card-title {
  display:flex;
  justify-content: center;
  background-color: var(--blue);
  color: var(--light);
  padding: 20px;
  width: 100%;
  border-bottom-left-radius: 25px;
  border-bottom-right-radius: 25px;
}

/* This rounds out the edges of the card image on the bottom left & right corners */
.card a img {
  width: 100%;
  height: 175px;
  border-radius: 35px 35px 0 0;
  margin-bottom: -8%;
}

/* This will keep the size of the cards with the size of the tablet screen.   */
@media screen and (max-width: 992px, 768px, 576px) {
  main,
  nav {
    flex-direction: row;
  }
}

aside {
  background-color: var(--blue);
  width: 30%;
  padding-left: 15px;
  font-style: italic;
}

footer {
  clear: both;
  bottom: 0;
  padding: 20px;
  text-align: center;
  background: var(--dark);
  color: #fff;
}