style.css

*{
	user-select: none;
	box-sizing: border-box;
}

*:focus {
	outline:0;
}

.heading {
	width:100%;
	text-align: center;
	border-bottom: dotted 1px black;
	padding: 8px 0px;
	font-size: 20px;
	font-weight: bold; 
	font-variant: small-caps;
	font-family: "lucida", monospace;
}

#dos, #donts{
	color: #1287A5;
	font-size: 20px;
}

#dos .heading {
	color: green;
}

#donts .heading {
	color: red;
}

#main{
	display:flex;
	justify-content: space-around;
	margin:10%;
} 

#main > * {
	width: calc(50% - 20px);	
	height: 500px;
	border-style: ridge;
	border-width: 5px;
	border-radius: 10px;
	background-color: #DAE0E2;
}

@media all and (max-width: 720px) {
	#main {
		display: block;
		width: 80%;
	}

	#main > * {
		margin-bottom: 20px;
		width:100%;
	}
}

#searchBox {
    width: 60%;
    margin:auto;
    height:auto;
    position: absolute;
    top:50%;
    left: 50%;
    -webkit-transform: translate(-50%, -50%);  
    transform: translate(-50%, -50%);
}

form > input[type="text"] {
	border: 1px solid grey;
	padding:20px 10px;
	font-size: 20px;
	width:100%;
	max-height: 30px;
}

header {
	border:1px black solid;
	width: 100%;
	height: 150px;
	position: relative;
}

body{
	background-color: #FBD28B;
}

/*
https://www.w3schools.com/howto/howto_js_autocomplete.asp
*/
.autocomplete {
  position: relative;
  display: inline-block;
}

.autocomplete-items {
  position: absolute;
  border: 1px solid #d4d4d4;
  border-bottom: none;
  border-top: none;
  z-index: 99;
  top: 100%;
  left: 0;
  right: 0;
  font-size: 20px;
}

.autocomplete-items div {
  padding: 10px;
  cursor: pointer;
  background-color: #fff; 
  border-bottom: 1px solid #d4d4d4; 
}

/*when hovering an item:*/
.autocomplete-items div:hover {
  background-color: #e9e9e9; 
}

/*when navigating through the items using the arrow keys:*/
.autocomplete-active {
  background-color: DodgerBlue !important; 
  color: #ffffff; 
}