body 
{ 
  background-color: Silver; color: Navy; 
  margin: 7%; margin-top: 2%;
  font-family: Tahoma;
}

.header
{
  font-size: small;
  width: 100%;
  margin-bottom: 3%;
}

.left
{
  text-align: left;
}

.right
{
  text-align: right;
}