styles.css

* {
  box-sizing: border-box;
}

body {
  background-color: #111827;
  font-family: Arial, sans-serif;
  color: white;
  font-weight: 200;
}

header, main {
  max-width: 960px;
  margin: 0 auto;
}

header {
  padding: 10px 0;
  text-align: center;
}

h1 {
  font-size: 48px;
  font-weight: bold;
  margin-bottom: 16px;
  text-align: center;
}

h2 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 20px;
  margin-top: 5px;
  text-align: left;
}

h3 {
  font-size: 14px;
  color: #324773;
  font-weight: 200;
  margin-bottom: 20px;
  margin-top: 0px;
  text-align: left;
}

a:link {
  font-size: 16px;
  color: #FFFFFF;
  text-decoration-line: none;
}

a:visited {
  color: #FFFFFF;
}

a:hover {
  color: #FFFFFF;
}

a:active {
  color: #FFFFFF;
}

.link {
  font-weight: 900;
}

.button {
  background-color: #0d131f;
  border: none;
  color: white;
  border-radius: 5px;
  padding-left: 15px;
  padding-right: 15px;
  padding-top: 8px;
  padding-bottom: 5px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  transition-duration: 0.4s;
}

.button:hover {
  background-color: #090d14;
}

table {
    float: left;
    border-collapse: collapse;
    margin: auto;
    font-weight: 200;
}

td, th {
    border: 0px;
    height: 40px;
    padding-left: 10px;
    padding-right: 10px;
    text-align: left;
    font-weight: 200;
}


p {
  font-size: 16px;
  font-weight: 200;
}

main {
  padding: 20px 0;
}

section {
  padding-left: 30px;
  padding-right: 30px;
  padding-top: 0px;
  padding-bottom: 50px;
  background-color: #111827;
  position: relative;
  overflow: hidden;
}

section::before,
section::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  margin: -10px;
  background: radial-gradient(circle at top left, rgba(255, 255, 255, 0.3), rgba(255, 255, 255, 0));
}

section::after {
  filter: blur(10px);
}

.leaderboard ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.leaderboard li {
  display: flex;
  align-items: center;
  border-bottom: 1px solid #ddd;
  padding: 16px 0;
}

.leaderboard img {
  width: 50px;
  height: 50px;
  border-radius: 50%;
  margin-right: 16px;
}

.leaderboard h3 {
  font-size: 24px;
  font-weight: bold;
  margin-bottom: 4px;
}

.leaderboard p {
  font-size: 16px;
  margin-bottom: 8px;
}

.leaderboard a {
  color: #007bff;
  text-decoration: none;
}

.leaderboard a:hover {
  text-decoration: underline;
}

.notes {
  padding: 32px;
  border-radius: 5px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    background-color: #0d131f;
  position: relative;
  overflow: hidden;
}

.notes::before,
.notes::after {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -1;
  margin: -10px;
  background-color: #0d131f;
}

.notes::after {
  filter: blur(10px);
}

.notes h2 {
  font-size: 28px;
  font-weight: bold;
  margin-bottom: 10px;
}

.notes p {
  font-size: 18px;
}

.tabs {
  display: flex;
  justify-content: space-between;
  margin-bottom: 10px;
  background-color: #0d131f;
  border-radius: 5px;
}

.tabs input[type="radio"] {
  display: none;
}

.tabs label {
  padding: 16px;
  font-weight: bold;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  background-color: #0d131f;
  border-radius: 5px;
}

.tabs label:before{
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
  z-index: -3;
  margin: -10px;
  background-color: #0d131f;
  border-radius: 5px;
}

.tabs label:after{
  background-color: #090d14;
  border-radius: 5px;
}

.tabs label:hover {
  background-color: #090d14;
  border-radius: 5px;
}

.tabs label:active {
  background-color: #090d14;
  border-radius: 5px;
}

.tab-content {
  display: none;
}

.tab-content.active {
  display: block;
}