.box {
  width: 40%;
  margin: 0 auto;
  background: rgba(255,255,255,0.2);
  padding: 35px;
  border: 2px solid #fff;
  border-radius: 20px/50px;
  background-clip: padding-box;
  text-align: center;
}

.button {
  font-size: 1em;
  padding: 10px;
  /* color: #fff; */
  /* border: 2px solid #06D85F; */
  /* border-radius: 20px/50px; */
  text-decoration: none;
  cursor: pointer;
  transition: all 0.3s ease-out;
}
.button:hover {
  text-decoration: underline;
}

.overlay {
  position: fixed;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  background: rgba(0, 0, 0, 0.7);
  transition: opacity 500ms;
  visibility: hidden;
  opacity: 0;
}
.overlay:target {
  visibility: visible;
  opacity: 1;
}

.popup {
  margin: 70px auto;
  padding: 20px;
  background: #fff;
  border-radius: 5px;
  width: 70%;
  position: relative;
  transition: all 5s ease-in-out;
}

.popup h2 {
  margin-top: 0;
  color: #333;
  font-family: Tahoma, Arial, sans-serif;
}
.popup .close {
  position: absolute;
  top: 20px;
  right: 30px;
  transition: all 200ms;
  font-size: 30px;
  font-weight: bold;
  text-decoration: none;
  color: #333;
}
.popup .close:hover {
  color: #06D85F;
}
.popup .content {
  max-height: 30%;
  overflow: auto;
  border:#333;
    border-width: 3px;
}

@media screen and (max-width: 700px){
  .box{
    width: 70%;
  }
  .popup{
    width: 70%;
  }
}

table {
  width: 100%;
  border-collapse: collapse;
  /* table-layout: fixed; */
}

th {
   border-bottom: 1px solid black;
   border-collapse: collapse;
}

.justif_text {
  text-align: justify;
  padding-left: 20px;
  padding-right: 20px;
}

.seperator {
  height: 20px;
}

td {
  text-align: center;
  padding-left: 10px;
  padding-right: 10px;
}

p, h1, h2, h3, table {
  padding-left: 20px;
}
table {
  padding-right: 20px;
}


body{
  padding-top:90px;
  margin:0px;
}

/* Style the header with a grey background and some padding */
.header {
  overflow: hidden;
  background-color: #f1f1f1;
  padding: 20px 10px;
  margin: 0px;
  width: 100%;
  top: 0;
  position:fixed;
}

/* Style the header links */
.header a {
  float: left;
  color: black;
  text-align: center;
  padding: 12px;
  text-decoration: none;
  font-size: 18px;
  line-height: 25px;
  border-radius: 4px;
}

/* Style the logo link (notice that we set the same value of line-height and font-size to prevent the header to increase when the font gets bigger */
.header a.logo {
  font-size: 25px;
  font-weight: bold;
}

@media screen and (max-width: 900px) {
  .header a.logo {
    font-size: 20px;
  }
}

/* Change the background color on mouse-over */
.header a:hover {
  background-color: #ddd;
  color: black;
}

/* Style the active/current link*/
.header a.active {
  background-color: dodgerblue;
  color: white;
}

/* Float the link section to the right */
.header-right {
  float: right;
  padding-right: 20px;
}

/* Add media queries for responsiveness - when the screen is 500px wide or less, stack the links on top of each other */
@media screen and (max-width: 500px) {
  .header a {
    float: none;
    display: block;
    text-align: left;
  }
  .header-right {
    float: none;
  }
}

.sidebar {
  background-color: #f1f1f1;
  bottom: 0;
  flex-shrink: 0;
  overflow-y: auto;
  position: fixed;
  top: 85px;
  width: 10%;
  z-index: 10;
}

aside {
  width: 10%;
  padding-left: 0.1rem;
  float: left;
  color: #29627e;
}

aside > p {
  margin: 0.5rem;
}

.content {
  padding-left:10%;
}

.sidelink {
  text-decoration: none;
  text-align: left;
  color: #29627e;
  padding-left: 0.15rem;
  line-height: 2.0em;
  cursor: pointer;
  overflow-x: scroll;
  white-space: nowrap;
}

.sidelink:hover {
  text-shadow: #fc0 1px 0 10px;
}

.unavailable {
  color: pink;
  cursor: not-allowed;
}