body {
  padding: 40px 10px;
  background-color: #eee;
}
.listing-reg h1 {
  text-align: center;
  margin: 0 0 2rem;
}

/* css for registration form and errors*/
.form-registration {
  max-width: 330px;
  padding: 15px;
  margin: 0 auto;
}
.form-registration {
  display: flex;
  flex-direction: column;
  //flex-wrap: wrap;
}
.form-registration input {
  width: 100%;
  margin: 0px 0 10px;
}
.flex-container {
  padding: 0;
  margin: 0;
  list-style: none;
  display: flex;
}
.longhand {
  flex-flow: wrap row;
}
.flex-item {
}

.form-registration .btn {
  //flex: 1 0 100%;
}
.my-errors {
  margin: 0 auto;
  padding: 0;
  list-style: none;
  color: #333;
  font-size: 1.2rem;
  display: table;
}
.my-errors li {
  margin: 0 0 1rem;
}
.my-errors li:before {
  content: "! Error : ";
  color: #f00;
  font-weight: bold;
}

/* Styles for listing table */
.listing-table {
  width: 100%;
  align: center;
}

.form-demographics {
  max-width: 660px;
  padding: 15px;
  margin: 0 auto;
}

.title-margin-top {
  margin-top: 40px;
}

.title-margin-bottom {
  margin-bottom: 40px;
}

.section-margin-top {
  margin-top: 20px;
}

.tab {
  overflow: hidden;
  border: 1px solid #ccc;
  background-color: #f1f1f1;
}

/* Style the buttons inside the tab */
.tab button {
  background-color: inherit;
  float: left;
  border: none;
  outline: none;
  cursor: pointer;
  padding: 14px 16px;
  transition: 0.3s;
  font-size: 17px;
}

/* Change background color of buttons on hover */
.tab button:hover {
  background-color: #ddd;
}

/* Create an active/current tablink class */
.tab button.active {
  background-color: #ccc;
}

/* Style the tab content */
.tabcontent {
  display: none;initial-letter;
  padding: 50px 50px 75px 50px;
  border: 1px solid #ccc;
  border-top: none;
}

#encyclopedia-window {
  position: relative;
  margin-top: 25px;
  height: 90%;
  width: 95%;
}