body {
    --background-color: whitesmoke;
    font-family:sans-serif;
/*    background-color: #e6ffff;*/
/*    background-color: #33FFD5;*/
    background-color: #F0F3F4;
    background-size: 200%;
    background-repeat: no-repeat;
    background-position: right top;
}

.nav2{
    border:1px solid red;
    border-width:1px 0;
    list-style:none;
    margin:0;
    padding:0;
    text-align:center;
    font-size: 15px;
}
.nav2 li{
    display:inline;
}
.nav2 a{
    display:inline-block;
    padding:10px;
}


.nav4 a{
    color: white;
/*    display:inline-block;*/
    
}

.nav3{
/*    border:1px solid red;*/
/*    border-width:1px 0;*/
    list-style:none;
    margin:0;
    text-align:center;
    font-size: 30px;
    color: white;
    font-weight: bold;
    
}
.nav3 li{
    padding-bottom:20px;

}


div.polaroid {
  width: 250px;
  box-shadow: 0 4px 8px 0 grey, 0 6px 20px 0 grey;
  text-align: center;
    margin: 0 auto;
}

div.polaroid2 {
  width: 250px;
  box-shadow: 0 4px 8px 0 grey, 0 6px 20px 0 grey;
  text-align: left;
    margin: 0 auto;
}

.centered {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

.dropbtn {
  display: inline-block;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}



li.dropdown {
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

.dropdown-content a {
  
  padding: 12px 16px;
  text-decoration: none;
  display: block;
  text-align: left;
}

.dropdown-content a:hover {background-color: #f1f1f1}

.dropdown:hover .dropdown-content {
  display: block;
}