html{
  overflow-x:hidden
}

h1{
  font-size:36px
}

h2{
  font-size:30px
}

h3{
  font-size:24px
}

h4{
  font-size:20px
}

h5{
  font-size:18px
}

h6{
  font-size:16px
}

.w3-serif{
  font-family:serif
}

h1,h2,h3,h4,h5,h6{
  font-family:"Segoe UI",Arial,sans-serif;font-weight:400;margin:10px 0
}

.w3-wide{
  letter-spacing:4px
}

body {
  font-family: Arial, Helvetica, sans-serif;
  font-size: 12px;
}

/*  outermost container    */
.flexcol-container {
  /*  background: #3F51B5;   */

  /* give the outermost container a predefined size */
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 950px;

  margin: auto;

  display: flex;
  flex-direction: column;
  justify-content: flex-start;
}

.flexrow-container {
  /* margin: auto;*/
  /* background: #2196F3;*/

  display: flex;
  flex-direction: row;
  justify-content: flex-start;

  /* for Firefox */
  min-height: 0;
}

.content {
  margin: 10px;
  background: #BBDEFB;
}

.scrollable-content {
  background: white;

  overflow: auto;
  box-shadow: 5px 2px 5px #999999;
  border: 1px solid;
  margin-left: 10px;

  /* for Firefox */
  min-height: 0;
}

.header {
  background: whitesmoke;
  margin-bottom: 5px;
  top: 0;
  width: 150px;
  height: 25px;
  font-size: 18px;
  font-style: italic;
  color: red;
  text-align: center;
  text-shadow: 1px 1px #444;
  border: 1px solid;
  box-shadow: 5px 5px 5px #999999;
}

.flex-container {
  display: flex;
  flex-wrap: nowrap;
  flex-direction: row;
  background-color: DodgerBlue;
}

.sidenav {
  min-width: 120px;
  min-height: 100px;
  overflow:hidden;
  z-index: 1;
  background: #eee;
  padding: 8px 0;
  border: 1px solid;
  box-shadow: 5px 5px 5px #999999;
}

/* Optional: Style the caret down icon */
.fa-caret-down {
  float: right;
  padding-left: 20px;
  padding-right: 8px;
}

/* Add an active class to the active dropdown button */
.active {
  /* background-color: green;*/
  color: white;
}

.dropdown-container {
  display: none;
/*  background: #262626;*/
  padding-left: 10px;
}

.sidenav a{
  padding: 1px 1px 1px 5px;
  text-decoration: none;
  font-size: 14px;
   color: #2100F3;
  display: block;
  border: none;
  background: inherit;
  min-width: 120px;
  text-align: left;
}

.dropdown{
  padding: 1px 1px 1px 5px;
  text-decoration: none;
  font-size: 14px;
  font-weight:bold;
  color: #2100F3;
  display: block;
  border: none;
  background: inherit;
  min-width: 120px;
  text-align: left;
}


.sidenav a:hover, .dropdown:hover {
  color: #ff4579;
}

.sidenav h4,h5 {
  color:crimson; 
  background-color:lightgray; 
  font-style:italic; 
  padding-left:20px; 
  padding-top: 1px;  
/*  text-align: center; */
  /*   padding-right:20px;*/
  text-shadow:1px 1px #444;
}

.sidenav_title {
  color:crimson; 
  background-color:lightgray; 
  font-style:italic; 
  font-size:20px;
  padding-top: 1px;  
  text-align: center; 
  text-shadow:1px 1px #444;  
}

.ri {
  -moz-transform: scale(1) rotate(0deg) translate(0px, 0px) skew(15deg, 0deg);
  -webkit-transform: scale(1) rotate(0deg) translate(0px, 0px) skew(15deg, 0deg);
  -o-transform: scale(1) rotate(0deg) translate(0px, 0px) skew(15deg, 0deg);
  -ms-transform: scale(1) rotate(0deg) translate(0px, 0px) skew(15deg, 0deg);
  transform: scale(1) rotate(0deg) translate(0px, 0px) skew15deg, 0deg);

  color:darkgreen;
}

@media screen and (max-height: 450px) {
  .sidenav {
    padding-top: 15px;
  }

}

.page_body {
  margin: 0 auto;
  width: 950px;
  /*  margin-top:100px;
  /* max-width:950px; */
  /*  margin:auto; 
  */
}

.page_content {

  width: 800px;
  bottom: 0px;
  /*  background-color: white;*/
  box-shadow: 5px 2px 5px #999999;
  border: 1px solid;

  overflow-y: scroll;
  /*float:left;*/
}

.subpage_header {
  box-shadow: 5px 5px 5px #999999;
  margin: 5px;
  padding-left: 18px;
  border: 1px solid;
  margin-left: 15px;
  background-color:#ffc266;
  color: blue;   
}

.section_header {
  box-shadow: 5px 5px 5px #999999;
  margin: 5px;
  padding-left: 20px;
  border: 1px solid;
  margin-left: 15px;
  background-color: whitesmoke;
  color: blue;
}

.section_content {
  margin: 20px;
  margin-top: 10px;
  margin-bottom: 30px;
  margin-left: 50px;
  margin-right: 50px;
}

.section_paragraph {
  margin-bottom: 10px;
}

.subpage_content {
  padding-top: 10px;
  padding-bottom: 12px;
  box-shadow: 5px 5px 5px #999999;
  margin-top:0px;
  margin-bottom: 20px;
}

.rightmargin {
  max-width: 100px;
  background-color: crimson;
}

.flex-construction {
  display: flex;
  justify-content: center;
}

.under-construction {
  width: 500px;
  color: red;
  font-size: 18px;
  font-style: italic;
  text-align: center;
  text-shadow: 1px 1px #444;

  background-color: yellow;
  box-shadow: 5px 5px 5px #999999;
  margin: 5px;
  padding-left: 20px;
  border: 1px solid;
  margin-left: 1em;
}

.thumbnail {
  border: 1px solid #ddd;
  /* Gray border */
  border-radius: 4px;
  /* Rounded border */
  box-shadow: 5px 2px 5px #999999;
  border: 1px solid;
  margin-bottom: 5px;
  margin-left: 5px
}

.thumbnail:hover {
  box-shadow: 0 0 5px 5px rgba(0, 140, 186, 0.5);
}

.img-container {
  display: flex;
  flex-direction: row;
  justify-content: center;
}