.container { 
Width: 790px; 
margin-left: auto; 
margin-right: auto;
text-align: left; 
background-color: ghostwhite; 
 }




body {
  background-color: #E3F2FD;
   font-family: arial, sans-serif;
   text-align: center;
   color: #1A237E;
}





h1 {
  font-family: arial, sans-serif;
  color: #0D47A1;
  text-align: center;
  font-weight: bolder;

}





h2 { 
  font-family: arial, sans-serif;
  color: #0D47A1;
  text-align: center;
  font-weight: bolder;
  font-size: 25px;
 }

 h3 {
  font-family: arial, sans-serif;
  color: #0D47A1;
  text-align: center;
  font-weight: bold;
  font-size: 20px;
 }



.p {
  font-family: arial, sans-serif;
  font-size: 18px;
  text-align: center;
  
}



#two { 
  max-width:545px;
  position: relative;
  top: 5px;
  background-color: #FFFFFF;
  color: #0D47A1;
  border: solid 8px #FFFFFF;
  padding-right: 75px;
  padding-left: 75px;
  padding-top: 10px;
  font-weight: bold;
  font-size: 18px;
  font-family: arial, sans-serif;
  text-align: Center;
  z-index: 3;
  border-radius: 15px
 }

 #three  { 
  max-width: 545px;
  margin: 20px auto;
  background-color: #FFFFFF;
  border: 5px solid #4fb5c8;;
  padding: 10px;
  font-size: 18px;
  text-align: left;
  border-radius: 15px;
  font-weight: lighter;
  font-size: 18px;
  font-family: Arial, sans-serif;
  text-align: left; 
  z-index: 3;
 }


 
#four {
    max-width: 545px;
    margin: 20px auto;
    background-color: #FFFFFF;
    border: 5px solid #FFFFFF;
    padding: 10px;
    font-size: 18px;
    text-align: left;
    border-radius: 15px;
}

 #five { 
  padding-top: 5px;
  padding-bottom: 5px;
  border: 3px solid #1565C0;
  background-color: #1565C0;
  text-align: center;
  font-family: arial, sans-serif;
  font-weight: bold;
  border-radius: 5px;

  }

nav {
  gap: 10px; 
  justify-content: center; 
  background-color: #1565C0;
  padding: 5px;
}

nav a {
  text-decoration: none; 
  background-color: #1565C0; 
  color: white; 
  padding: 10px 20px;
  border-radius: 10px;
  font-family: arial, sans-serif;
  font-weight: bold;
  border: 3px solid #1565C0; 
  text-align: center; 
  transition: background-color 0.3s, transform 0.2s; 
  display: inline-block; 
}

nav a:hover {
  background-color: white; 
  color: #1565C0; 
  border: 3px solid #1565C0; 
  transform: scale(1.1); 
}

nav a:active {
  background-color: #0D47A1; 
}

nav .on{
  background-color: #FFFFFF; 
    color: #1565C0;
  }