/* Reset for older browsers */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: Arial, "Helvetica Neue", Helvetica, sans-serif;
    max-width: 800px;
    margin: 0 auto;
    padding: 20px;
    line-height: 1.6;
}
.loading {
    opacity: 0;
    /* Fallback for older browsers */
    filter: alpha(opacity=0);
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=0)";
}
.loading.visible {
    opacity: 1;
    /* Fallback for older browsers */
    filter: alpha(opacity=100);
    -ms-filter: "progid:DXImageTransform.Microsoft.Alpha(Opacity=100)";
}
.next-link {
    margin-top: 20px;
    padding: 10px 20px;
    background-color: #007bff;
    color: white;
    text-decoration: none;
    /* Fallback for border-radius */
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    border-radius: 5px;
}
.next-link:hover {
    background-color: #0056b3;
}
h1 {
    margin-bottom: 30px;
    color: #333;
}