style.css

#left {
        width: 300px;
        float: left;
        padding: 15px;
        margin: 10px;
        background: #f8f8f8;
        border: solid 2px black;
       
}
#test {
        width: 300px;
        padding: 15px;
      
        left: 10px;
        bottom: 20px;
        margin: 10px;
        background: #f0efef;
        border: solid 2px black;
        clear:both;
       
}
 
#center {
        width: 325px;
        float: left;
        padding: 15px;
        margin: 10px;
        border: solid 2px black;
       
}
 
#right {
        width: 300px;
        padding: 15px;
        margin: 10px;
        float: left;
        background: #f0efef;
        border: solid 2px black;
       
}

#ty{

text-align: center;
}
* {box-sizing:border-box}

/* Slideshow container */
.slideshow-container {
  max-width: 1000px;
  position: relative;
  margin: auto;
}

/* Hide the images by default */
.mySlides {
    display: none;
margin-left:200px
	}

/* Next & previous buttons */
.prev, .next {
  cursor: pointer;
  position: absolute;
  top: 50%;
  width: auto;
  margin-top: -22px;
  padding: 16px;
  color: white;
  font-weight: bold;
  font-size: 18px;
  transition: 0.6s ease;
  border-radius: 0 3px 3px 0;
}

/* Position the "next button" to the right */
.next {
  right: 0;
  border-radius: 3px 0 0 3px;
}

/* On hover, add a black background color with a little bit see-through */
.prev:hover, .next:hover {
  background-color: rgba(0,0,0,0.8);
}

/* Caption text */
.text {
  color: #f2f2f2;
  font-size: 15px;
  padding: 8px 12px;
  position: absolute;
  bottom: 8px;
  width: 100%;
  text-align: center;
}

/* Number text (1/3 etc) */
.numbertext {
  color: #f2f2f2;
  font-size: 12px;
  padding: 8px 12px;
  position: absolute;
  top: 0;
}

/* The dots/bullets/indicators */
.dot {
  cursor: pointer;
  height: 15px;
  width: 15px;
  margin: 0 2px;
  background-color: #bbb;
  border-radius: 50%;
  display: inline-block;
  transition: background-color 0.6s ease;
}

.active, .dot:hover {
  background-color: #717171;
}

/* Fading animation */
.fade {
   -webkit-animation-name: fadeIn;
  -webkit-animation-duration: 5s;
  animation-name: fade;
  animation-duration: 5s;
 
 
}

@-webkit-keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}

@keyframes fade {
  from {opacity: .4} 
  to {opacity: 1}
}
h1{
text-decoration: underline;
}
/* Show the dropdown menu on hover */
.dropdown:hover .dropdown-menu {
    display: block;
}
	/* Change color of dropdown links on hover */
.dropdown-menu a:hover {background-color: #ddd}
/* Change the background color of the dropdown button when the dropdown content is shown */
.dropdown:hover .dropdown-menu {
background-color: orange;}
#navbar {
    background-color: #333; /* Black background color */
    position: fixed; /* Make it stick/fixed */
    top: -50px; /* Hide the navbar 50 px outside of the top view */
    width: 100%; /* Full width */
    transition: top 0.3s; /* Transition effect when sliding down (and up) */
}
/*for side navbar*/
.sidenav {
  height: 100%;
  width: 200px;
  position: movable;
  z-index: 1;
  top: 0;
  left: 0;
  background-color: #111;
  overflow-x: hidden;
  padding-top: 20px;

}

/* Style the sidenav links and the dropdown button */
.sidenav a, .dropdown-btn {
  padding: 6px 8px 6px 16px;
  text-decoration: none;
  font-size: 20px;
  color: #818181;
  display: block;
  border: none;
  background: none;
  width:100%;
  text-align: left;
  cursor: pointer;
  outline: none;
}

/* On mouse-over */
.sidenav a:hover, .dropdown-btn:hover {
  color: #f1f1f1;
}

/* Main content */
.main {
  margin-left: 200px; /* Same as the width of the sidenav */
  font-size: 20px; /* Increased text to enable scrolling */
  padding: 0px 10px;
}

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

/* Dropdown container (hidden by default). Optional: add a lighter background color and some left padding to change the design of the dropdown content */
.dropdown-container {
  display: none;
  background-color: #262626;
  padding-left: 8px;
}

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