.header {
  position: fixed;
  top: 0;
  width: 100%;
  height: 50px;
  text-align: center;
  background-color: #FFCC99;
}
 
.main {
       padding-top: 30px;
       text-align:center;

       background-color: #FFCC99;
       
}
 
.footer {
  
  bottom: 0;
  width: 100%;
  height: 20px;
  text-align: center;
  background-color: #FFCC99;
}