.arrayTopics{
 margin-top: 0; 
 font-family: monospace;
 font-weight: bold;
 font-size: 23px;  
}



  button {
    font-size: 18px;
    padding: 8px 12px;
    background: #24dbdbcc;
    color: rgb(0, 0, 0);
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-weight: bold;
}

button:hover {
    background: #00ffffcc;
    
}