.glass-card {
    background: rgba(255, 255, 255, 0.15);
    backdrop-filter: blur(15px);
    -webkit-backdrop-filter: blur(15px);
    border: 1px solid rgba(255, 255, 255, 0.25);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.2);
}
@media only screen and (max-width: 768px) {
    .main2_container {
        padding-bottom: 35px; /* match footer height */
    }
}
html,
body {
    height: 100%;
   
    overflow: hidden;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.971), rgba(255, 255, 255, 0.1));
    font-family: Lato, sans-serif;
}

.spinner-overlay {
    position: relative;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 9999;
}

.spinner {
    width: 60px;
    height: 60px;
    border: 6px solid #ccc;
    border-top-color: #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

