* {
    box-sizing: border-box;
}
  
/* Style the body */
body {
  font-family: Arial;
  margin: 0;
}

/* Header/logo Title */
.header {
  background: #1abc9c;
}

.h1text {
  padding-bottom: 20px;
  text-align: center;
  color: white;
}
  
/* Banner */
.banner {
  padding: 5px;
  text-align: center;
  background: lightblue;
  color: darkred;
}

.footer {
    padding: 5px;
    margin: 10px;
    text-align: center;
    background: white;
    color: gray;
}

/* Column container */
.row {  
  display: flex;
  flex-wrap: wrap;
  max-width: 1500px;
  margin: 0 auto;
}

/* Create two unequal columns that sits next to each other */
/* Sidebar/left column */
.side {
  flex: 30%;
  background-color: #f1f1f1;
  padding: 20px;
  max-width: 500px;
}

.side > div {
    background-color: lightskyblue;
    text-align: center;
    margin: 5px;
    padding: 15px;
    font-weight: bold;
  }

/* Main column */
.main {
  flex: 70%;
  background-color: white;
  padding: 20px;
  max-width: 1000px;
}

.main > div {
    background-color: lightseagreen;
    text-align: center;
    margin: 5px;
    padding: 10px;
    font-weight: bold;
}

/* Responsive layout - when the screen is less than 700px wide, make the two columns stack on top of each other instead of next to each other */
@media screen and (max-width: 700px) {
  .row {   
    flex-direction: column;
  }
}
  
/* Dropdown Button */
.dropbtn {
  background-color: #1abc9c;
  color: white;
  font-size: 16px;
  border: none;
  padding: 5px;
  margin: 5px;
}

/* The container <div> - needed to position the dropdown content */
.dropdown {
  position: relative;
  display: inline-block;
}

/* Dropdown Content (Hidden by Default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f1f1f1;
  min-width: 160px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  color: black;
  padding: 12px 16px;
  text-decoration: none;
  display: block;
}

/* Change color of dropdown links on hover */
.dropdown-content a:hover {background-color: #ddd;}

/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-content {display: block;}

/* Change the background color of the dropdown button when the dropdown content is shown */
.dropdown:hover .dropbtn {background-color: #3e8e41;}