* {
  box-sizing: border-box;
}
  
body {
  font-family: Arial;
  padding: 10px;
  background: #fff;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 1em;
}

/* HEADER */
.main-header {
  display: flex;
  align-items: center;
  padding: 30px;
  text-align: center;
  background: white;
  justify-content: center;
}
  
.main-header img {
  max-width: 200px;
}

.main-header h1 {
  font-size: 50px;
  color: rgb(61, 61, 148);
}

.nav {
  list-style: none;
  margin: 0;
  padding: 0;
  text-align: center;
  background-color: #333;
}

.nav li {
  display: inline;
}

.nav a {
  display: inline-block;
  padding: 14px 16px;
  color: #f2f2f2;
  text-decoration: none;
  font-size: 20px;
}

.nav a:hover {
  background-color: #ddd;
  color: black;
}

article {
  background-color: #fff;
  padding: 20px;
  font-size: 15px;
  max-width: 960px;
  margin: 0 auto;
}

article p {
  font-size: 15px;
}

/* TABLES */

table {
  max-width: 100%;
  background-color: #333;
}

table, th, td {
  border-right: 25px solid;
  border-left: 25px solid;
  border-bottom: 25px solid;
  border-collapse: collapse;
}

th, td {
  padding: 20px;
  text-align: left;
  color: #fff;
}

td {
  height: 50px;
  vertical-align: middle;
  vertical-align: text-top;
  font-size: 13px;
  width: 33%;
}

td h5 {
  font-size: 15px;
}

h1, h3 {
  color: #4b3e9f;
  margin-left: 10px;
}

.image-container {
  position: relative;
  display: inline-block;
  margin-bottom: 30px;
}

.image-container img {
  display: block;
  width: 100%;
  height: auto;
}

.overlay-text {
  font-family:'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
  font-style: italic;
  position: absolute;
  top: 50%; 
  left: 50%; 
  transform: translate(-50%, -50%); 
  background-color: #000; 
  color: #fff; 
  padding: 10px 20px; 
  font-size: 20px; 
  text-align: center;
}

ul li {
  font-size: 15px;
}

footer {
  background-color: #000000;
  font-family:Arial;
  color: #fff;
  padding: 10px;
  text-align: center;
}