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

p {
  text-align: justify;
}

body.theme-1 {
  background-color: #eaebec;
  margin: 0;
  padding: 40px 0;
  width: 100%;
  color: black;
}

.theme-1 header,
.theme-1 main,
.theme-1 footer {
  width: 75%;
  margin: 0 auto;
  background-color: #fff;
  padding-left: 40px;
  padding-right: 40px;
}

.theme-1 header {
  background-color: #1021a4;
  color: white;
  padding: 20px;
  border-radius: 8px;
}

.theme-1 header h1 {
  margin: 0;
  font-size: 40px;
}

.theme-1 main {
  margin-top: 0;
  background-color: white;
  padding: 20px;
  overflow: hidden;
}

.theme-1 nav {
  width: 25%;
  float: left;
}

.theme-1 nav ul {
  list-style: none;
  padding: 0;
}

.theme-1 nav li {
  background-color: rgb(243, 240, 240);
  padding: 10px;
  margin-bottom: 3px;
  border-radius: 5px;
  border: 1px solid gray;
  color: black;
  cursor: pointer;
  text-align: left;
  font-size: medium;
  font-weight: normal;
}

.theme-1 nav li:hover {
  background-color: #101aa4;
  color: white;
  font-weight: bold;
}

.theme-1 nav li.active {
  background-color: #101aa4;
  color: white;
  font-weight: bold;
}

.theme-1 section {
  width: 50%;
  float: left;
  padding: 0 20px;
}

.theme-1 section h2 {
  font-size: xx-large;
  color: black;
  margin-top: unset;
  margin-bottom: unset;
}

.theme-1 section p {
  font-size: medium;
}

.theme-1 section a {
  color: black;
  text-decoration: none;
}

.theme-1 section a:hover {
  color: #101aa4;
}

.theme-1 section h3 {
  font-size: x-large;
}

.theme-1 aside {
  margin-top: 15px;
  height: 300px;
  width: 25%;
  float: left;
  padding: 15px;
  background-color: #101aa4;
  color: white;
  border-radius: 10px;
}

.theme-1 aside h3 {
  font-size: 25px;
  color: white;
  margin-top: unset;
  margin-bottom: unset;
}

.theme-1 footer {
  clear: both;
  margin-top: 0;
  border: 1px solid gray;
  background-color: rgb(243, 240, 240);
  padding: 15px;
  border-radius: 8px;
  color: black;
}

.theme-1 footer p {
  text-align: center;
}

@media screen and (max-width: 800px) {
  .theme-1 nav,
  .theme-1 section,
  .theme-1 aside {
    width: 100%;
  }
}

/* =========================================
   THEME 2: Stylesheet 2
========================================= */

body.theme-2 {
  margin: 0;
  padding: 40px 0;
  width: 100%;
  background-color: #eaebec;
  color: #000;
}

.theme-2 header,
.theme-2 main,
.theme-2 footer {
  width: 75%;
  margin: 0 auto;
  padding-left: 20px;
  padding-right: 20px;
}

.theme-2 header {
  color: #fff;
  padding: 40px 20px 20px 20px;
  background-color: #cb5343;
  border-radius: 0;
}

.theme-2 header h1 {
  font-size: 3.5em;
  margin: 0 0 10px 0;
  font-weight: bold;
}

.theme-2 header p {
  font-size: 1.5em;
  margin: 0;
}

.theme-2 main {
  background-color: #fff;
  padding: 20px;
  overflow: hidden; /* Clear floats */
  margin-top: 0;
}

.theme-2 nav {
  float: right;
  width: 180px;
}

.theme-2 nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.theme-2 nav li {
  background-color: #cb5343;
  color: #fff;
  text-align: center;
  padding: 8px;
  margin-bottom: 12px;
  border-radius: 20px;
  font-size: 16px;
  border: 2px solid #cb5343;
  font-weight: bold;
  cursor: pointer;
}

.theme-2 nav li:hover {
  background-color: white;
  color: #cb5343;
}

.theme-2 nav li.active {
  background-color: #fff;
  color: #cb5343;
}

.theme-2 section {
  float: left;
  width: calc(100% - 220px);
  padding: 0;
}

.theme-2 section h2 {
  color: #cb5343;
  font-size: 1.8em;
  margin-top: 5px;
  margin-bottom: 15px;
}

.theme-2 section p {
  line-height: 1.5;
  margin-top: 0;
  margin-bottom: 20px;
  font-size: 14px;
}

.theme-2 section a {
  color: #cb5343;
  text-decoration: none;
}

.theme-2 section a:hover {
  color: black;
  text-decoration: none;
}

.theme-2 aside {
  clear: both;
  background-color: #f2dada;
  color: #cb5343;
  padding: 20px;
  margin: 30px -20px -20px -20px;
  height: auto;
  width: auto;
  border-radius: 0;
  float: none;
}

.theme-2 aside h3 {
  font-size: 1.4em;
  margin-top: 0;
  margin-bottom: 15px;
  color: #cb5343;
}

.theme-2 aside p {
  font-size: 14px;
  line-height: 1.5;
  margin: 0;
}

.theme-2 footer {
  color: #fff;
  padding: 20px 20px 40px 20px;
  background-color: #cb5343;
  border: none;
  border-radius: 0;
  margin-top: 0;
}

.theme-2 footer p {
  font-size: 13px;
  line-height: 1.5;
  text-align: center;
  margin: 0 auto;
}

/* =========================================
   THEME 3: Stylesheet 3
========================================= */

body.theme-3 {
  margin: 0;
  padding: 40px 0;
  width: 100%;
  background-color: #eaebec; /* Light gray background */
  color: #333;
}

.theme-3 header,
.theme-3 main,
.theme-3 footer {
  width: 75%;
  margin: 0 auto;
  background-color: #fff;
  padding-left: 40px;
  padding-right: 40px;
}

.theme-3 header {
  padding-top: 40px;
  padding-bottom: 20px;
}

.theme-3 header h1 {
  color: #3bb34b; /* Vibrant green */
  font-size: 2.8em;
  margin: 0 0 10px 0;
}

.theme-3 header p {
  font-size: 1.1em;
  margin: 0;
}

.theme-3 main {
  overflow: hidden; /* Clear floats */
}

/* Navigation as Horizontal Menu */
.theme-3 nav ul {
  list-style: none;
  padding: 0;
  margin: 0 0 20px 0;
  display: flex;
  gap: 8px; /* Spaces between horizontal pills */
}

.theme-3 nav li {
  background-color: #5f6362;
  color: #fff;
  padding: 10px 0;
  flex: 1; /* Make equal width */
  text-align: center;
  font-weight: bold;
  cursor: pointer;
  border-radius: 0; /* Square edges */
  font-size: 15px;
}

.theme-3 nav li:hover {
  background-color: #3bb34b;
}

.theme-3 nav li.active {
  background-color: #3bb34b;
}

.theme-3 section {
  margin-bottom: 25px;
}

.theme-3 section h2 {
  color: #3bb34b;
  font-size: 1.8em;
  margin-top: 10px;
  margin-bottom: 15px;
}

.theme-3 section p {
  line-height: 1.5;
  margin-bottom: 15px;
}

.theme-3 section a {
  color: #000;
  text-decoration: none;
}

.theme-3 section a:hover {
  text-decoration: none;
  color: #3bb34b;
}

.theme-3 aside {
  background-color: #f0f0f0;
  border: 1px solid #ddd;
  padding: 15px 20px;
  margin-bottom: 25px;
}

.theme-3 aside h3 {
  color: #3bb34b;
  font-size: 1.3em;
  margin-top: 0;
  margin-bottom: 10px;
}

.theme-3 aside p {
  margin: 0;
  font-size: 0.9em;
  line-height: 1.5;
}

.theme-3 footer {
  padding-top: 15px;
  padding-bottom: 40px;
  border-top: none;
}

.theme-3 footer p {
  font-size: 0.85em;
  line-height: 1.5;
  text-align: center;
  margin: 0;
}

/* =========================================
   THEME 4: Stylesheet 4
========================================= */

body.theme-4 {
  margin: 0;
  padding: 40px 0;
  width: 100%;
  background-color: #eaebec;
  color: #6edb3b;
  font-family: "Courier New", Courier, monospace;
}

.theme-4 header,
.theme-4 main,
.theme-4 footer {
  width: 75%;
  margin: 0 auto;
  background-color: #0b0b0b;
  padding-left: 40px;
  padding-right: 40px;
}

.theme-4 header {
  padding-top: 40px;
  margin-bottom: 0;
}

.theme-4 header h1 {
  font-weight: bold;
  font-size: 2.2em;
  margin: 0 0 10px 0;
}

.theme-4 header p {
  font-size: 1.1em;
  margin: 0;
}

.theme-4 main {
  display: grid;
  grid-template-areas:
    "nav aside"
    "section section";
  grid-template-columns: 1fr 340px;
  gap: 30px;
}

.theme-4 nav {
  grid-area: nav;
}

.theme-4 nav ul {
  list-style-type: disc;
  padding-left: 20px;
  margin: 0;
}

.theme-4 nav li {
  padding: 5px 0;
  color: #6edb3b;
  background-color: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  border-radius: 0;
  font-weight: normal;
  font-size: 1.1em;
}

.theme-4 nav li:hover {
  color: white;
  text-decoration: none;
  background-color: transparent;
}

.theme-4 nav li.active {
  color: #fff;
  font-weight: bold;
}

.theme-4 aside {
  grid-area: aside;
  border: 1px solid #fff;
  padding: 20px;
  background-color: transparent;
  width: auto;
  float: none;
  border-radius: 4px;
}

.theme-4 aside h3 {
  color: #fff;
  margin-top: 0;
  font-size: 1.1em;
  margin-bottom: 15px;
}

.theme-4 aside p {
  color: #fff;
  margin: 0;
  line-height: 1.6;
  font-size: 0.9em;
}

.theme-4 section {
  grid-area: section;
  width: 100%;
  float: none;
  padding: 0;
}

.theme-4 section h2 {
  font-size: 2em;
  margin-top: 10px;
  margin-bottom: 15px;
}

.theme-4 section p {
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 1.05em;
}

.theme-4 section a {
  color: #6edb3b;
  text-decoration: none;
}

.theme-4 section a:hover {
  color: #fff;
  text-decoration: none;
}

.theme-4 footer {
  border: 1px solid #fff;
  padding: 20px;
  color: #fff;
  margin-top: 0;
  background-color: #0b0b0b;
  border-radius: 4px;
}

.theme-4 footer p {
  line-height: 1.5;
  text-align: left;
  margin: 0;
  font-size: 0.85em;
}

@media screen and (max-width: 800px) {
  .theme-4 main {
    grid-template-areas:
      "nav"
      "aside"
      "section";
    grid-template-columns: 1fr;
  }
}