/* Global Styles */
html {
  background-color: black;
}

body {
  background-color: black;
  color: green;
  font-family: "Courier New", Courier, monospace;
  margin: 0;
}

/* Header */
#header {
  background-color: black;
  padding: 20px;
  text-align: center;
}

/* Flexbox container */
.container {
  display: flex;
  min-height: 80vh;
}

/* Sidebar navigation */
#navigation {
  width: 220px;
  background-color: black;
  border-right: 7px groove green;
  padding: 20px;
}

#navigation ul {
  list-style-type: none;
  padding: 0;
  margin: 0 0 20px 0;
}

#navigation li {
  margin-bottom: 10px;
}

#navigation a {
  color: blue;
  text-decoration: none;
}

#navigation a:hover {
  text-decoration: underline;
}

/* Main content area */
#main {
  flex: 1;
  padding: 30px;
  background-color: black;
  border-left: 7px groove green;
}

/* Sub content block */
#one {
  border: 7px groove green;
  padding: 20px;
  margin-top: 30px;
  background-color: black;
  width: 80%;
}

review_main{
  border: 7px groove green;
  padding: 20px;
  margin-top: 130px;
  background-color: black;
  width: 80%;
}

/* Footer */
#footer {
  background-color: black;
  text-align: center;
  padding: 20px;
  border-top: 2px solid green;
}

/* Links */
a:link {
  color: blue;
}

a:visited {
  color: darkblue;
}

a:hover {
  color:  green;
}

.slideshow {
  position: relative;
  max-width: 500px;
  margin: 30px auto;
  text-align: center;
}

.slide {
  display: none;
  width: 100%;
  border: 3px solid green;
  transition: opacity 1s ease-in-out;
}

.fade {
  opacity: 0;
  position: absolute;
  left: 0;
  top: 0;
}

.show {
  display: block;
  opacity: 1;
  position: relative;
}

.nav-btn {
  background: black;
  color: cyan;
  border: 1px solid green;
  padding: 10px;
  margin: 10px 5px;
  cursor: pointer;
  z-index: 10;
  position: relative;
}

.dots {
  margin-top: 20px;
}

.dot {
  height: 12px;
  width: 12px;
  margin: 0 5px;
  background-color: #444;
  border-radius: 50%;
  display: inline-block;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.dot.active {
  background-color: green;
}