estilos.css

html {
  font-size: 10px;
  font-family: 'Open Sans', sans-serif;
}

.asf {
	background: steelblue; color: white;
	/*font-size: 4em;*/
	
}

img {
  display: block;
  margin: 0 auto;
}

h1 {
  font-size: 40px;
  text-align: center;
}

p, li {
  font-size: 16px;
  line-height: 2;
  letter-spacing: 1px;
  text-align: justify;
  
}

/*UM DIV DEMARCA UM BLOCO*/

html {
  background-color: steelblue;
}

body {
  
  margin: 0;
  background-color: #B9FFFF;
  padding: 0 20px 20px 20px;
  border: 5px;
  border-color: steelblue;
 
}

h1 {
  margin: 0;
  padding: 15px 0;
  color: #00539F;
  text-shadow: 3px 3px 1px black;
}

img {
  display: block;
  margin: 0 auto;
}


.table {
	background: #4682B4;
	border: 1px;
	width: 400px;
	
}

.demo {
  font-size: 25px;
  color:#333333;
}
.demo td:nth-child(1) {
  color: #CE5937;
  font-size: 15px;
}
.demo td {
  vertical-align: top;  
  border: 1px solid #ddd;
  padding: 2px 10px;
  vertical-align: middle;
}