* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
  color: #fff;
  font-family: "Segoe UI", Arial, Helvetica, sans-serif;
}

body {
  background-color: #17171a;
  line-height: 1.6;
  font-size: 16px;
}

nav .navul {
  display: flex;
  background-color: #000;
  overflow-x: auto;
}

.navlink {
  display: block;
  padding: 15px 20px;
  text-decoration: none;
  color: #fff;
  transition: background-color 0.3s ease, color 0.3s ease;
  font-weight: bold;
  white-space: nowrap;
}

.navlink:hover {
  background-color: #4261fe;
}

.navlink.current {
  color: #4261fe;
}
.navlink.current:hover {
  color: #fff;
}

main {
  display: flex;
  flex-wrap: wrap;
  padding: 20px;
  gap: 20px;
}

.block {
  background-color: #1f1f23;
  padding: 20px;
  border-radius: 8px;
  flex: 1 1 300px;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.3);
}

.block h1,
.block h2 {
  color: #ffffff;
  margin-bottom: 10px;
}

.block p,
.block li {
  color: #ddd;
  margin-bottom: 10px;
}

ul {
  padding-left: 20px;
}