body{
color: white;
background-color: #333;
margin: 0;
padding: 0;
font-family: Arial, Helvetica, sans-serif;
}


#principal{
margin-top: 30px;
display: flex;
justify-content: center;
align-items: center;
}




footer{
padding: 5px;
text-align: center;
background-color: rgb(82, 82, 82);


}