ner {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 400px;
            color: #8893a7;
        }
        
        .spinner-border {
            width: 48px;
            height: 48px;
            border: 4px solid #e8e9ff;
            border-top-color: #5b5fcf;
            border-radius: 50%;
            animation: spin 1s linear infinite;
        }
        
        @keyframes spin {
            0% 