html {
  font-size: 17px;
  font-family: "Open Sans", sans-serif; 
  margin-top: 40px;
  text-align: center;
}
h1 {
  color: #00a0e0;
  font-size: 60px;
  text-align: center;
}
h2 {
  font-size: 30px;
  text-align: center;
}

h3 {
  font-size: 24px;
  text-align: center;
}

h4 {
  font-size: 20px;
  text-align: center;
}

hr {
  width: 60%;
  height: 3px;
  background-color: #00a0e0;
  border:none;
}

br {
  height: 12px;
}

ul {
  display:table;
  margin:auto;
  font-size: 20;
}

table {
  display:table;
  margin:auto;
  font-size: 20;
}

li {
  font-size; 20;
}

a {
  font-size: 20px;
  font-family: "Open Sans", sans-serif;
  color: #f19019;
  margin-top: 40px;
}

a:hover {
  color: #00a0e0
}

a:active {
  color: black;
}

button {
  background-color: #ffffff;
  color: 000000;
  font-size: 17px;
  padding: 12px 24px;
  border: 2px solid #00a0e0;
  border-radius: 12px;
}

button:hover {
  background-color: #ffd099;
  color: 000000;
  font-size: 17px;
  border: 2px solid #00a0e0;
  border-radius: 12px;
}

button:active {
  background-color: #00a0e0;
  color: ffffff;
  font-size: 17px;
  border: 2px solid #00a0e0;
  border-radius: 12px;
}