body {
  margin: 0;
  padding: 0;
}

header {
  width: 95%;
  margin: 0 auto;
  border-bottom: 3px solid darkblue;
}

header h1 {
  color:darkblue;
  font-weight:400;
  font-size: 55px;
  font-family: Helvetica;
  margin: 20px 5px 5px 5px;
  padding-left: 10px;
}

header ul{
  padding: 0 0;
  margin: 0 0;
}

header li {
  display: inline-block;
  width: 80px;
  color: black;
  font-family: Helvetica;
  font-size: 16px;
  text-align: center;
  padding: 10px 20px;
}

a{
  text-decoration: none;
  color:black
}

header li:hover {
  background-color: lightsteelblue;
}

footer {
  position: fixed;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 50px;
  background-color: darkblue;
  padding: 0px 20px;
  box-sizing: border-box;
}

.disclaimer {
  color: white;
  font-size:13px;
  text-align: left;
  display: flex;
  align-items: center;
  height: 50px;
  margin: 0;
}

main {
  width: 93%;
  margin: 0 auto 75px;
  position: relative;
}

.reset {
  position: absolute;
  top: 2px;
  right: 3em;
  text-decoration: none;
  color: darkblue;
  font-style: italic;
}

.selection_title {
  color: black;
  font-weight:500;
  font-size: 18px;
  font-family: Helvetica;
  margin-bottom: 1em;
}

.selections {
  color: black;
  font-weight:400;
  font-size: 14px;
  font-family: Helvetica;
}

.radio_container {
  display:block;
  position: relative;
  margin-bottom: 0em;
  padding-left: 35px;
  cursor: pointer;
}

.radio_container input {
  position: absolute;
  opacity: 0;
  cursor: pointer;
  height: 0;
  width: 0;
}

.custom_radio {
  position: absolute;
  top: -0.05em;
  left: 0.7em;
  height: 16px;
  width: 16px;
  background-color: #eee;
  border: 1px solid black;
  border-radius: 50%;
}

.radio_container:hover input ~ .custom_radio{
  background-color: #ccc
}

.radio_container input:checked ~ .custom_radio{
  background-color: darkblue;
}

input[type="submit"] {
  background-color: darkblue;
  color: white;
  margin-top: 0.3em;
  margin-left: 0.7em;
  padding: 0.4em 1.8em;
  border: none;
  border-radius: 0;
  transition: background-color 0.2s, transform 0.2s;
  width: 10em;
}

input[type="submit"]:hover {
  background-color: #0001AF;
  transform: scale(1.05);
}

input[type="submit"]:active {
  transform: scale(0.95);
}

.selections_grid_2 {
  color: black;
  font-weight:400;
  font-size: 14px;
  font-family: Helvetica;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  grid-gap: 10px;
}

.mock_label {
  display:block;
  position: relative;
  margin-bottom: 0em;
  padding-left: 35px;
}

.mock_radio {
  position: absolute;
  top: -0.05em;
  left: 0.7em;
  height: 16px;
  width: 16px;
  background-color: darkblue;
  border: 1px solid black;
  border-radius: 50%;
}

.prior_selections {
  color: black;
  font-weight:400;
  font-size: 14px;
  font-family: Helvetica;
  padding-bottom: 1em;
  border-bottom: 1px dashed darkblue;
}

.prior_selection_title {
  color: black;
  font-weight:500;
  font-size: 18px;
  font-family: Helvetica;
  margin-bottom: 1em;
}

.selections_grid_4 {
  color: black;
  font-weight:400;
  font-size: 14px;
  font-family: Helvetica;
  display: grid;
  grid-template-columns: repeat(4,1fr);
  grid-gap: 10px;
}

.form_column {
  display: block;
}

.assumptions {
  margin-bottom: 0.2em;
}

.sub_selections{
  margin-left: 0.5em;
  line-height: 1.8em;
}

.dropdown{
  width: 8.5em;
}

.num_input {
  width: 2.5em;
}

.subtitle{
  margin-block-start: 1em;
  margin-block-end: 0.2em;
  font-weight:600;
}

.optional {
  text-align: center;
  background-color: lightgray;
  font-style: italic;
  color: darkblue;
  margin-bottom:0.5em;
  padding: 0.1em;
}

.OR_divide {
  text-align: center;
  color: darkblue;
  border-block: 1px dashed darkblue;
  margin-top: 1em;
  margin-bottom: 1em;
  padding:0.15em;
}

.flashes {
  border: 1px solid transparent;
  border-radius: 5px;
  text-align: center;
  font-weight: bold;
  background-color: #941e13;
  border-color: #660c03;
  color: white;
  margin: 5em;
  padding: 0.5em;
  margin: 1em;
}

.top_inputs {
  color: black;
  font-weight:400;
  font-size: 16px;
  font-family: Helvetica;
}

.results_grid_2 {
  color: black;
  font-weight:400;
  font-size: 12px;
  font-family: Helvetica;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  grid-gap: 10px;
}

.top_result {
  font-size: 16px;
}

.left_side_result{
  text-align: right;
  margin-left: 2em;
  margin-right: 2em;
}

.right_side_result{
  text-align: left;
  margin-left: 2em;
  margin-right: 2em;
}

img {
  display: block;
  margin-left: auto;
  margin-right: auto;
  max-width: 100%;
  height: auto;
}

.ob2_results_grid_2 {
  color: black;
  font-weight:400;
  font-size: 16px;
  font-family: Helvetica;
  display: grid;
  grid-template-columns: repeat(2,1fr);
  grid-gap: 10px;
}

.text_title {
  color: black;
  font-weight:600;
  font-size: 22px;
  font-family: Helvetica;
  margin-bottom: 0em;
}

.paragraphs {
  font-family: Helvetica;
  font-size: 14px;
  color: black;
}

.comparison_table {
  font-family: Helvetica;
  color: black;
  display: flex;
  flex-direction: column;
  width: 60%;
  margin-top: 1.8em;
  margin-bottom: 1.8em;
  margin-left:auto;
  margin-right:auto;
  border: 2px solid darkblue;
}

.row{
  display: flex;
}

.comparison_heading {
  font-size: 14px;
  text-align: center;
  font-weight: 600;
  flex: 1;
  margin: 10px;
  position: relative;
}

.outputs {
  font-size: 12px;
  flex: 1;
  padding: 0px 10px 10px;
  margin: 10px;
  position: relative;
  background-color: #dedede;
}

.comparison_subheading {
  margin: 8px 0px;
}

.inputs {
  font-size: 12px;
  padding: 0px 10px 10px;
  margin: 10px;
  flex: 1;
  position: relative;
  background-color: #dedede;
}

.comparison_list {
  margin: 0;
  padding-left: 20px;
}

.example {
  width: 80%;
  margin-left:auto;
  margin-right:auto;
}

.inline_link {
  color: black;
}

.tooltip {
  position: relative;
  display: inline-block;
  border-bottom: 1px dotted black;
}

.tooltip .tooltiptext {
  visibility: hidden;
  font-size: 10px;
  font-weight:400;
  width: 360px;
  background-color: #555;
  color: #fff;
  text-align: center;
  padding: 10px;
  border-radius: 6px;

  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -180px;

  opacity: 0;
  transition: opacity 0.3s;
}

.tooltip .tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

.tooltip:hover .tooltiptext {
  visibility: visible;
  opacity: 1;
}

.question_tooltip {
  display: inline-block;
  border-radius: 50%;
  width: 20px;
  height: 20px;
  background-color: #555;
  color: white;
  font-weight: 600;
  font-family: Helvetica;
  text-align: center;
  line-height: 20px;
  position: relative;
  cursor: pointer;
}

.question_tooltip .question_tooltiptext {
  visibility: hidden;
  font-size: 10px;
  font-weight:400;
  line-height: 1;
  width: 360px;
  background-color: #555;
  color: #fff;
  text-align: center;
  padding: 10px;
  border-radius: 6px;

  position: absolute;
  z-index: 1;
  bottom: 125%;
  left: 50%;
  margin-left: -190px;

  opacity: 0;
  transition: opacity 0.3s;
}

.question_tooltip .question_tooltiptext::after {
  content: "";
  position: absolute;
  top: 100%;
  left: 50%;
  margin-left: -5px;
  border-width: 5px;
  border-style: solid;
  border-color: #555 transparent transparent transparent;
}

.question_tooltip:hover .question_tooltiptext {
  visibility: visible;
  opacity: 1;
}