.container1 {
	width: 100%;
}

/* Container styling*/
.container2 {
	display:flex;
	background-color: rgba(0,0,255,.25);
	border: 1px solid black;
	text-align: center;
}

/* Style the navigation menu */
.navbar {
  width: 100%;
  background-color: rgba(0,0,255,.25);
  border-bottom: 15px solid black;
  overflow: auto;
}

/* Navigation links */
.navbar a {
  float: left;
  padding: 12px;
  color: white;
  text-decoration: none;
  font-size: 17px;
  width: 25; /* Four equal-width links. If you have two links, use 50%, and 33.33% for three links, etc.. */
  text-align: center; /* If you want the text to be centered */
}

.container3 {
  display: grid;
  grid-template-columns: 33% 33% 33%;
  column-gap: .5%;
  background-color: blue;
  padding: 10px;
}

.container3 div {
  background-color: #f1f1f1;
  border: 1px solid black;
  padding: 20px;
  font-size: 30px;
  justify-content: center;
  text-align: center;
  object-fit: cover;
}

/* Center the main title */
h1 {
  text-align: center;
  background-color: rgba(0,0,255,.25);
  border: 1px solid black;
  color: white;
  font-weight: 400;
}

h2 {
  text-align: center;
  background-color: rgba(0,0,255,.25);
}

h3 {
  text-align: center;
  background-color: rgba(0,0,255,.25);
}

/* Footer Styling */
footer {
    background-color: rgba(0,0,255,.25);
	color: white;
    position: absolute;
    bottom: 0;
    width: 100%;
	padding: 10px;
	border: 1px solid black;
}

footer p {
    color: white;
    font-weight: 400;
    float: right;
    padding-right: 10px;
    font-style: italic;
}

footer a {
    text-decoration: none;
    color: white;
	visited: white;
}

footer a:visited {
  color: white;
  background-color: transparent;
  text-decoration: none;
}

footer a:hover {
    text-decoration: underline;
}

/* Last div styling */
.last-div {
  /* width: 100%;  
  background-color: rgba(0,0,255,.25);
  border: 1px solid black;
  text-align: right;
  padding: 10px;*/
}

/* Link properties*/
a:link {
  color: blue;
  background-color: transparent;
  text-decoration: none;
}
a:visited {
  color: purple;
  background-color: transparent;
  text-decoration: none;
}
a:hover {
  color: red;
  background-color: transparent;
  text-decoration: underline;
}
a:active {
  color: yellow;
  background-color: transparent;
  text-decoration: underline;
}


.card {
  /* Add shadows to create the "card" effect */
  box-shadow: 0 4px 8px 0 rgba(0,0,0,0.2);
  transition: 0.3s;
}

/* On mouse-over, add a deeper shadow */
.card:hover {
  box-shadow: 0 8px 16px 0 rgba(0,0,0,0.2);
}

.card-title {
	text-align: center;
    font-size: 2em;
    color: white;
    font-weight: 400;
}

.card-content {
	list-style-type: decimal;
}

/* Add some padding inside the card container */
.container {
  padding: 2px 16px;
  color: white;
}

/* Ordered list and title */
.card-content,
.card-content h2 {
  border: none;
  border-radius: none;
}

.card-content ol {
  padding: 2px 16px;
  list-style: decimal inside;
  color: black;
}


<style>
ul.a {list-style-type: circle;}
ul.b {list-style-type: disc;}
ul.c {list-style-type: square;}

ol.d {list-style-type: upper-roman;}
ol.e {list-style-type: lower-roman;}
ol.f {list-style-type: lower-alpha;}
ol.g {list-style-type: decimal;}
</style>