body {
    background-image: url(images/background.png);
    background-repeat: no-repeat; 
    background-attachment: fixed;
    opacity: 200%;
  }

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
  background-color: #00008B;
}

.logo {
    float: left;
}

.name {
    float: left;
    font-size: 25px;
    color: green;
    font-weight: 450;
    position: absolute;
    margin-left: 3%;
    top:-.7%
}

li {
  float: right;
}

li a, .dropbtn {
  display: inline-block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

li a:hover, .dropdown:hover .dropbtn {
  background-color: green;
}

li.dropdown {
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1;}

.dropdown:hover .dropdown-content {
  display: block;
}

html {
  box-sizing: border-box;
}

*, *:before, *:after {
  box-sizing: inherit;
}

.column {
  float: left;
  width: 33.3%;
  margin-bottom: 16px;
  padding: 0 8px;
  color:black;
}

.card {
  box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
  margin: 8px;
 color: white;
}

.container {
  padding: 0 16px;
  background-color:black;
}

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

.title {
  color: white;
}

.button {
  border: none;
  outline: 0;
  display: inline-block;
  padding: 8px;
  color: white;
  background-color: #000;
  text-align: center;
  cursor: pointer;
  width: 100%;
}

.button:hover {
  background-color: #555;
}

@media screen and (max-width: 650px) {
  .column {
    width: 100%;
    display: block;
  }
}