body {
    background-color: #fff;
}

#author {
	font-family: Verdana, Arial;
	font-size: 11px;
	position: absolute;
	right: 10px;
	bottom: 10px;
}

.dropbtn {
  background-color: #04AA6D;
  color: white;
  padding: 5px;
  font-size: 16px;
  border: none;
  cursor: pointer;
}

.dropbtn:hover, .dropbtn:focus {
  background-color: #3e8e41;
}

#mySubstanceInput {
  box-sizing: border-box;
  background-image: url('https://www.w3schools.com/css/searchicon.png');
  background-position: 14px 12px;
  background-repeat: no-repeat;
  font-size: 16px;
  padding: 14px 20px 12px 45px;
  border: none;
  border-bottom: 1px solid #ddd;
}

#mySubstanceInput:focus {outline: 3px solid #ddd;}

.dropdown {
  position: relative;
  display: inline-block;
}

.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f6f6f6;
  min-width: 230px;
  overflow: auto;
  border: 1px solid #ddd;
  z-index: 1;
}

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

.dropdown a:hover {background-color: #ddd;}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  padding-top: 100px; /* Location of the box */
  left: 0;
  top: 0;
  width: 100%; /* Full width */
  height: 100%; /* Full height */
  overflow: auto; /* Enable scroll if needed */
  background-color: rgb(0,0,0); /* Fallback color */
  background-color: rgba(0,0,0,0.4); /* Black w/ opacity */
}

/* Modal Content */
.modal-content {
  background-color: #fefefe;
  font-family: Calibri, Arial, Helvetica, Geneva, sans-serif;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 50%;
}

/* The Close Button */
.close {
  color: #aaaaaa;
  float: right;
  font-size: 28px;
  font-weight: bold;
}

.close:hover,
.close:focus {
  color: #000;
  text-decoration: none;
  cursor: pointer;
}

.show {display: block;}

.app {
	display: flex;
	flex-wrap: wrap;
	margin: 20px;
	font-family: Calibri, Arial, Helvetica, Geneva, sans-serif;
}

.specifysubstance {
	width: 350px;
	line-height: 1.5;
}

.condition {
	width: 350px;
	line-height: 1.5;
}

.calcs {
	width: 300px;
	margin-top: 30px;
}

.error {
	color: #f00;
}

.info {
	margin-top: 30px;
}