body {
    font-family: 'Arial', sans-serif;
    text-align: center;
    margin: 20px;
    background-color: #f0f5ff; /* Vaaleansininen tausta */
}

h1 {
    color: #1e3799; /* Syvänsininen teksti */
}

select {
    padding: 10px;
    font-size: 16px;
    margin-bottom: 10px;
    border: 1px solid #3498db; /* Sininen reunus */
    border-radius: 5px;
    background-color: #ecf0f1; /* Vaaleansininen tausta */
    color: #333; /* Musta teksti */
}

table {
    border-collapse: collapse;
    width: 80%;
    margin: 20px auto;
    background-color: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

th, td {
    border: 1px solid #3498db; /* Sininen reunus */
    text-align: left;
    padding: 12px;
}

th {
    background-color: #2980b9; /* Syvänsininen tausta */
    color: #fff; /* Valkoinen teksti */
}

.filter {
    display: flex;
    justify-content: space-around;
    margin-bottom: 20px;
}

.filter select {
    margin-right: 10px;
}

.no-results {
    color: #666;
    font-style: italic;
    margin-top: 20px;
}