* {
    font-family: Arial, Helvetica, sans-serif;
  }

body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

/* centering */
.center-text {
  text-align: center;
}

/* unvisited link */
a:link {
  color: #0446aa;
}

/* visited link */
a:visited {
  color: #555;
}

/* mouse over link */
a:hover {
  color: #555;
}

/* selected link */
a:active {
  color: #555;
}

/* Collapsible Content */
#more {
  padding: 10px;
  background-color: #f1f1f1;
  border-radius: 5px;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 3px 10px 0 rgba(0, 0, 0, 0.19);
}

.showmore_button {
  background-color: #f1f1f1;
  box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 3px 10px 0 rgba(0, 0, 0, 0.19);
  color: black;
  padding: 5px 10px;
  font-size: 12px; 
  border: 2px solid #555;
  border-radius: 5px;
  cursor: pointer;
}

.showmore_button:hover {
  background-color: #555;
  color: white;
}

/* unordered lists with square markers */
ul.s {
  list-style-type: square;
}

/* Thick border */
hr.new1 {
  border: 1px solid #555;
}

/* responsive image */
img {
  max-width: 100%;
  height: auto;
}

/* ------------------------------------- */
  /* Responsive Image Gallery */
  div.gallery {
    border: 1px solid #ccc;
    border-radius: 5px;
    box-shadow: 0 2px 4px 0 rgba(0, 0, 0, 0.2), 0 3px 10px 0 rgba(0, 0, 0, 0.19);
  }
  
  /* div.gallery:hover {
    opacity: 0.7;
  } */
  
  div.gallery img {
    width: 100%;
    height: auto;
  }
  
  div.desc {
    padding: 15px;
    text-align: center;
  }
  
  * {
    box-sizing: border-box;
  }
  
  .responsive {
    padding: 0 6px;
    float: left;
    width: 24.99999%;
  }
  
  @media only screen and (max-width: 700px) {
    .responsive {
      width: 49.99999%;
      margin: 6px 0;
    }
  }
  
  @media only screen and (max-width: 500px) {
    .responsive {
      width: 100%;
    }
  }
  
  .clearfix:after {
    content: "";
    display: table;
    clear: both;
  }


/* The side navigation menu */
.sidebar {
    margin: 0;
    padding: 0;
    width: 200px;
    background-color: #f1f1f1;
    position: fixed;
    height: 100%;
    overflow: auto;
  }
  
  /* Sidebar links */
  .sidebar a{
    display: block;
    color: black;
    padding: 16px;
    text-decoration: none;
  }
  
  /* Active/current link */
  .sidebar a.active {
    background-color: #0446aa;
    color: white;
  }
  
  /* Links on mouse-over */
  .sidebar a:hover:not(.active) {
    background-color: #555;
    color: white;
  }

  /* Page content. The value of the margin-left property should match the value of the sidebar's width property */
  div.content {
    margin-left: 200px;
    padding: 1px 16px;
    height: 1000px;
  }
  
  /* On screens that are less than 700px wide, make the sidebar into a topbar */
  @media screen and (max-width: 700px) {
    .sidebar {
      width: 100%;
      height: auto;
      position: relative;
    }
    .sidebar a {float: left;}
    div.content {margin-left: 0;}
  }
  
  /* On screens that are less than 400px, make a scrollable topbar */
  @media screen and (max-width: 400px) {
    .sidebar {
      display: flex; 
      overflow-x: auto;
      white-space: nowrap;
      width: 100%;
      height: auto;
    }
    .sidebar a{flex: none;}
    div.content {margin-left: 0;}
  }