*{
    margin:0;
    padding:0;
}
main .alert-success{
    margin:10px;
    text-align: center;
}
section .alert-info{
    margin: 10px;
}
header{
    margin:10px;
    padding:20px;
    border :2px solid #000;

}
header p,
footer p,
footer h3,
header h1{
    text-align: center;
}
aside p{
    margin:0 10px; 
}
aside,
nav{
    margin:10px; 
}
aside{
    padding:20px 0;
    border :2px solid #000;
}
section{
    min-height:360px;
    margin:10px;
    padding:20px;
    border :2px solid #0401a5;  
}

footer{
    margin:10px;
    padding:20px;
    border :2px solid #000;
}