body {
    display: flex;
    flex-direction: column; 
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(to bottom, #555 0%, #222 100%);
    color: white;
    font-size: 45px;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-align: center; 
}

.logo {
    width: 200px;
    max-width: 100%;
    height: auto;
    margin-bottom: 5px;
}
.KNRI{
    font-size: 25px;
    margin: 0;
    color: #999;
}