* {box-sizing: border-box;}

:root {
  --theco: #008CBA;
  --excco: red;
  --accen: #fa9800;
  --txtco: #000000;
}

html {
  font-family: "Arial", sans-serif;
}

body { 
  margin: 10;
  float: center;
  font-family: Verdana, sans-serif;
  width: 100%;
}

.header {
  overflow: hidden;
  background-color: #ffffff;
  padding: 2px 10px;
}

[class*="col-"] {
  float: center;
  padding: 2px;
}

/* For desktop: */
.col-1 {width: 8.33%;}
.col-2 {width: 16.66%;}
.col-3 {width: 25%;}
.col-4 {width: 33.33%;}
.col-5 {width: 41.66%;}
.col-6 {width: 50%;}
.col-7 {width: 58.33%;}
.col-8 {width: 66.66%;}
.col-9 {width: 75%;}
.col-10 {width: 83.33%;}
.col-11 {width: 91.66%;}
.col-12 {width: 100%;}

.mbutton {
  background-color: white;
  border-radius: 8px;
  border: 2px solid var(--theco);
  color: var(--txtco);
  width: 210px;
  padding: 10px 16px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 14px;
  margin: 12px 12px;
  transition-duration: 0.4s;
  cursor: pointer;
  -webkit-user-select: none; /* Safari */
  -ms-user-select: none; /* IE 10 and IE 11 */
  user-select: none; /* Standard syntax */
}

.mbutton:hover {
  background-color: var(--theco);
  color: white;
  window.status: '':
}

.button:active {
  background-color: var(--theco);
  box-shadow: 0 5px #666;
  transform: translateY(4px);
}

.disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

a:hover {
  windows.status: '';
}

input[type=text] {
  font-size: 12px;
  padding: 12px 4px;
  margin: 8px 0;
  box-sizing: border-box;
  border: 1px solid #ccc;
  border-radius: 4px;
  box-sizing: border-box;
}

.prevent-select {
  -webkit-user-select: none;
  -ms-user-select: none;
  user-select: none;
}

.collapsible {
  background-color: var(--accen);
  color: white;
  cursor: pointer;
  padding: 10px;
  width: 100%;
  border: single;
  border-color: #ffffff;
  text-align: left;
  outline: none;
  font-size: 15px;
}

.collapsible:hover {
  background-color: var(--theco);
}

.content {
  padding: 0 18px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  background-color: #f1f1f1;
}

.collapsible:after {
  content: '\02795'; /* Unicode character for "plus" sign (+) */
  font-size: 13px;
  color: white;
  float: right;
  margin-left: 5px;
}

.collapsible.active:after {
  content: "\2796"; /* Unicode character for "minus" sign (-) */
}

.row::after {
  content: "";
  clear: both;
  display: block;
}

.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 10px;
  text-decoration: none;
  font-size: 16px; 
  line-height: 26px;
  border-radius: 4px;
}

.header a.logo {
  font-size: 25px;
  font-weight: bold;
}

.header a:hover {
  background-color: #fff;
  color: black;
}

.header a.active {
  background-color: var(--theco);
  color: white;
}

.header-right {
  float: right;
  padding: 4px;
}

.header-center {
  maxwidth: 400px;
  float: center;
  padding: 4px;
  text-align: center;
  vertical-align: middle;
  text-decoration: none;
  font-size: 18px; 
}

@media screen and (max-width: 600px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  .header-right {
    float: none;
  }
}

.dropdown {
  float: left;
  overflow: hidden;
}

/* Dropdown content (hidden by default) */
.dropdown-content {
  display: none;
  position: absolute;
  background-color: #f9f9f9;
  min-width: 100px;
  box-shadow: 0px 8px 16px 0px rgba(0,0,0,0.2);
  z-index: 1;
}

/* Links inside the dropdown */
.dropdown-content a {
  float: none;
  color: black;
  padding: 6px 10px;
  text-decoration: none;
  display: block;
  text-align: left;
}

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

.dropdown:hover .dropdown-content {
  display: block;
}

span.a {
  display: block;
  width: 300px;
  height: 400px;
  padding: 5px;
  border: none;    
  background-color: none; 
}

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

@media only screen and (max-width: 500px) {
  /* For mobile phones: */
  [class*="col-"] {
    width: 100%;
  }
}

.footer {
  background-color: var(--theco);
  color: #ffffff;
  text-align: left;
  font-size: 11px;
  padding: 6px;
}

ul {
  list-style-type: none;
  margin: 0;
  padding: 0;
  overflow: hidden;
}

ul.a {
   list-style-type: circle;
}

li {
  float: left;
}

li a {
  display: block;
  color: white;
  text-align: center;
  padding: 4px 12px;
  text-decoration: none;
}

li a:hover {
  background-color: #555555;
}


/* 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;
  margin: auto;
  padding: 20px;
  border: 1px solid #888;
  width: 80%;
}

/* 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;
}

input[type=text], select, textarea {
  width: 100%;
  padding: 8px;
  border: 1px solid #ccc;
  margin-top: 6px;
  margin-bottom: 16px;
  font-size: 16px;
  resize: vertical;
}

input[type=submit] {
  background-color: var(--accen);
  color: black;
  padding: 12px 20px;
  border: none;
  cursor: pointer;
}

input[type=submit]:hover {
  background-color: var(--theco);
  color: white;
}