style.css

body {
  background-color: #BEE4F7;
  font-family: ;
  color: #f4f6ff;
  font-size: 16px;
  line-height: 25px;
  text-align: center;
}

h1 {
  color: #f4f6ff;
  font-family: 'Montserrat', sans-serif;
  font-size: 30;
}
h2, h3 {
  color: #f4f6ff;
  font-family: 'Montserrat', sans-serif;
  font-size: 20;
  line-height: ;
}

a {
  color: #bbe1fa;
  text-decoration: none;
}

a:hover {
  color: #bbe1fa;
}

div {
    display: block;
}

footer {
  background-color: #4A9CBE;
  text-align: center;
  border: 2px, solid, black;
  border-radius: 2px;
  padding: 50px 0 50px 0px;
  box-shadow: 0 10px 30px rgba(0,0,0,.1);
  margin-top: 20px;
  color: #bbe1fa;
}
}

.container {
    width: 800px;
    margin: 0 auto;
}

.card {
    background: #2B649F;
    border: 50px;
    border-color: white;
    border-radius: 2px;
    box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
    padding: 50px;
    margin: 20px auto;
    width: 700px;
    text-align: center;
    display: block;
}

.pic {
    width: 200px;
    border-radius: 2px;
    display: inline-block
}

.list-inline > li {
    display: inline-block;
    padding: 0px 20px;
    list-style: none;
    padding-left: 0px;
}

.btn {
    display: inline-block;
    background-color: #f4f6ff;
    padding: 0.35em 1.2em;
    border: 0.1em solid (50,50,50);
    margin: 0 0.3em 0.3em 0;
    border-radius: 2px;
    box-sizing: border-box;
    text-decoration: none;
    font-size: 12;
    color: #0f4c75;
    text-align: center;
    transition: all 0.2s;
}

.banner1 {
  width: 700px;
  height: 300px;
  color: white;
  background: linear-gradient(-225deg, rgba(30,30,30,0.2) 30%, rgba(46,46,46,0.1) 80%), 
  url("images/scuba.jpg");
  background-size: cover;
  justify-content: space-around;
  align-items: center;
  text-align: center;
}

.banner3 {
  width: 700px;
  height: 300px;
  color: white;
  background: linear-gradient(-225deg, rgba(30,30,30,0.2) 30%, rgba(46,46,46,0.1) 80%), 
  url("images/scuba3.jpg");
  background-size: cover;
  justify-content: space-around;
  align-items: center;
  text-align: center;
}

.banner2 {
  width: 700px;
  height: 300px;
  color: white;
  background: linear-gradient(-225deg, rgba(30,30,30,0.2) 30%, rgba(46,46,46,0.1) 80%), 
  url("images/Scuba2.jpg");
  background-size: cover;
  justify-content: space-around;
  align-items: center;
  text-align: center;
}