.main_content_section {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.main_content_but {
    padding: 12px 24px;
    font-size: 16px;
    margin: 10px;
    cursor: pointer;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 6px;
    transition: background-color 0.3s ease;
}

.main_content_but:hover {
    background-color: #0056b3;
}

.notification_placement_area {
    position: fixed;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    width: 100%;
    max-width: 400px;
    z-index: 10001;
    display: flex;
    flex-direction: column-reverse;
    align-items: center;
    gap: 10px;
    padding: 15px;
    box-sizing: border-box;
}

.notification_visual_element {
    background-color: #333;
    color: white;
    padding: 15px 25px;
    border-radius: 20px;
    margin: 0;
    box-shadow: 0 8px 20px rgba(0,0,0,0.2);
    opacity: 0;
    transform: translateY(100px) scale(0.8);
    transition: all 0.5s cubic-bezier(0.23, 1, 0.32, 1);
    min-width: 220px;
    text-align: center;
    font-size: 15px;
    pointer-events: auto;
    position: relative;
    overflow: hidden;
    max-width: 90%;
}

.notification_visual_element.show {
    opacity: 1;
    transform: translateY(0) scale(1);
}

.notification_visual_element.fade-out {
    opacity: 0;
    transform: translateY(100px) scale(0.8);
    transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.success_visual_appearance {
    background-color: #28a745;
}

.error_visual_appearance {
    background-color: #dc3545;
}

.warning_visual_appearance {
    background-color: #ffc107;
    color: #212529;
}

.info_visual_appearance {
    background-color: #17a2b8;
}