.skip-link {
    position: absolute;
    left: -999px;
    top: -999px;
}

.skip-link:focus {
    left: 10px;
    top: 10px;
    background-color: #000;
    color: #fff;
    padding: 8px;
    text-decoration: none;
}


body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
}

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


header {
    text-align: center;
    margin-bottom: 20px;
}


nav {
    margin-bottom: 20px;
}

.nav-list {
    display: flex;
    justify-content: space-around;
    list-style: none;
    padding: 0;
}

.nav-list a {
    text-decoration: none;
    color: #000;
    font-weight: bold;
}


table {
    width: 100%;
    border-collapse: collapse;
}

caption {
    font-weight: bold;
    margin-bottom: 10px;
}

th, td {
    border: 1px solid #000;
    padding: 8px;
    text-align: left;
}