* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: Arial, sans-serif;
  font-size: 16px;
  line-height: 1.5;
}

header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 10px;
  background-color: #333;
  color: #fff;
}

header img {
  max-height: 50px;
}

header nav ul {
  display: flex;
  list-style: none;
}

header nav ul li {
  margin-right: 20px;
}

header nav ul li:last-child {
  margin-right: 0;
}

header nav ul li a {
  color: #fff;
  text-decoration: none;
}

.table-container {
  width: 80%;
  margin: 0 auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  margin-top: 20px;
}

table th,
table td {
  padding: 10px;
  text-align: left;
}

table th {
  background-color: #333;
  color: #fff;
  position: sticky;
  top: 0;
}

table td a {
  color: blue;
}

table tr:nth-child(even) {
  background-color: #f2f2f2;
}

.filter-input {
  width: 100%;
  border: none;
  background-color: #f2f2f2;
  padding: 5px;
  font-size: 16px;
}

.filter-input:focus {
  outline: none;
  background-color: #e0e0e0;
}