input:invalid {
  border: 2px dashed red;
}
input:invalid:focus {
  background-image: linear-gradient(pink, red);
}


.collapsible {
  background-color: #777;
  color: white;
  cursor: pointer;
  /*padding: 10px;*/
  width: 100%;
  border: none;
  text-align: left;
  outline: none;
  font-size: 15px;
}

.active, .collapsible:hover {
  background-color: #555;
}

.collapsible:after {
  content: '\002B';
  color: white;
  font-weight: bold;
  float: right;
  margin-left: 5px;
}

.active:after {
  content: "\2212";
}

.content {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.2s ease-out;
  background-color: #f1f1f1;
}
.btnExtras{
  padding: 0 1rem;
}

/* The Modal (background) */
.modal {
  display: none; /* Hidden by default */
  position: fixed; /* Stay in place */
  z-index: 1; /* Sit on top */
  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/Box */
.modal-content {
  background-color: #fefefe;
  margin: 15% auto; /* 15% from the top and centered */
  padding: 20px;
  border: 1px solid #888;
  width: 80%; /* Could be more or less, depending on screen size */
}

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

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

.footnotes{
  font-size: 10px;
}

/* roboto-300 - latin_greek */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 300;
  src: local(''),
       url('../fonts//roboto-v29-latin_greek-300.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
       url('../fonts//roboto-v29-latin_greek-300.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}
/* roboto-300italic - latin_greek */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-weight: 300;
  src: local(''),
       url('../fonts//roboto-v29-latin_greek-300italic.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
       url('../fonts//roboto-v29-latin_greek-300italic.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}
/* roboto-regular - latin_greek */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 400;
  src: local(''),
       url('../fonts//roboto-v29-latin_greek-regular.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
       url('../fonts//roboto-v29-latin_greek-regular.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}
/* roboto-700 - latin_greek */
@font-face {
  font-family: 'Roboto';
  font-style: normal;
  font-weight: 700;
  src: local(''),
       url('../fonts//roboto-v29-latin_greek-700.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
       url('../fonts//roboto-v29-latin_greek-700.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}
/* roboto-700italic - latin_greek */
@font-face {
  font-family: 'Roboto';
  font-style: italic;
  font-weight: 700;
  src: local(''),
       url('../fonts//roboto-v29-latin_greek-700italic.woff2') format('woff2'), /* Chrome 26+, Opera 23+, Firefox 39+ */
       url('../fonts//roboto-v29-latin_greek-700italic.woff') format('woff'); /* Chrome 6+, Firefox 3.6+, IE 9+, Safari 5.1+ */
}