#background-video {
  height: 100vh;
  width: 100vw;
  object-fit: cover;
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  bottom: 0;
  z-index: -1;
  filter: opacity(25%);
  }

body {
  background-color: white;
  font-family: arial;
  font-size: 100%;
  margin-left: 10px;
  margin-right: 10px;
  }

h1 {
  font-size: 200%;
  color: black;
  text-align:center;
  margin-left: 10px;
  margin-right: 10px;
  }

h2 {
  font-size:150%;
  color:black;
  text-align:center;
  margin-left: 10px;
  margin-right: 10px;
  }

h3 {
  font-size:100%;
  color:black;
  text-align:center;
  margin-left: 10px;
  margin-right: 10px;
  }

h4 {
  font-size:100%;
  color:black;
  text-align:right;
  margin-left: 10px;
  margin-right: 10px;
  }

p {
  font-size:100%;
  color:black;
  text-align:justify;
  margin-left: 5%;
  margin-right: 5%;
  }

.center {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 90%
  }

table {
  border: 1px solid black; 
  border-collapse: collapse;
  margin-left: auto;
  margin-right: auto;
  width: 90%;
  }

th, td {
  border: 1px solid black; 
  border-collapse: collapse;
  padding: 10px;
  }

a:link {
  font-family: comic sans ms;
  color: green;
  text-decoration: underline;
  }
a:visited {
  color: blue;
  }
a:hover {
  color: green; 
  text-decoration: none;
  }

select {
  margin: 0;
  padding-left: 15px;
  color: #555555;
  cursor: pointer;
  }
.select {
  position: relative;
  width: 100%;
  height: 45px;
  border-radius: 5px;
  border: 1px solid #CED4DA;
  }

form {
  width: 100%;
  text-align:center;
}

form input {
  width: 100%;
  height: 28px;
  margin-bottom: 15px;
  padding: 5px;
}