*,:after,:before{box-sizing:border-box}
html{font-size:100%}
body{margin:0;padding:20px;font-family:'Times New Roman', serif;font-size:1rem;color:#fff}
.wrapper {
    margin: auto;
    max-width: 75rem;
}
main, header, section, aside, footer {
    margin: 0;
    padding: 20px;
    border: 1px solid #000000;
    color: #ffffff;
}

main {
    background: #000000;
}

.header {
    background: #006600;
	color: #ffff00;
}

.hero {
    background: red;
}
@media screen and (min-width: 640px){
    .flex-container {
        display: flex;
    }    
}
.content {
	flex:1;
    background: #ffff66;
	color: #000000;
}

.sidebar {
	flex:0 1 300px;
    border: 1px solid #000000;
    background: #006600;
}

.footer {
    border: 1px solid #000000;
   background: #006600;
}
/* Navbar container */
.navbar {
  overflow: hidden;
  background-color: #333;
  font-family: Arial;
}

/* Links inside the navbar */
.navbar a {
  float: left;
  font-size: 16px;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
}

/* The dropdown container */
.dropdown {
  float: left;
  overflow: hidden;
}

/* Dropdown button */
.dropdown .dropbtn {
  font-size: 16px;
  border: none;
  outline: none;
  color: white;
  padding: 14px 16px;
  background-color: inherit;
  font-family: inherit; /* Important for vertical align on mobile phones */
  margin: 0; /* Important for vertical align on mobile phones */
}

/* Add a red background color to navbar links on hover */
.navbar a:hover, .dropdown:hover .dropbtn {
  background-color: red;
}

/* Dropdown content (hidden by default) */
.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;
}

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

/* Add a grey background color to dropdown links on hover */
.dropdown-content a:hover {
  background-color: #ddd;
}

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

/* Red image boarders */
img {
  border: 2px solid red;
}

h3 {
  text-decoration: underline;
}