.history-heading {
    font-weight: bold;
    font-size: 24px;
    margin-bottom: 20px;
    text-align: center;
}

.alert-summary-history {
    margin: 20px 0;
    padding: 20px;
    background-color: #f8f9fa;
    border-radius: 15px;
    box-shadow: 0px 10px 15px -3px rgba(0,0,0,0.1);
}

.alert-summary-history .alert-heading {
    font-weight: bold;
    font-size: 20px;
    margin-bottom: 15px;
    text-align: center;
}

.alert-summary-history p {
    font-size: 14px;
    line-height: 1.5;
    text-align: justify;
}