img{
    display: block; 
    margin: 0 auto;
    width: 400; 
  text-align: center;
  border-radius: 5%;
 
 }

footer{
    text-align: center;
}
.btn{
    display: inline;
    padding: 10px 20px;
    font-size: 16px;
    color: #ffffff;
    background-color: #00365f;
    border:none;
    border-radius: 5px;
    text-align:center;
    transition:background-color 0.3s,transform 0.3s;
}

    .btn:hover {
        background-color: #383838;
    }
    
.btn:active{
    transform: scale(0.95);
}

#preguntas{
    
    font-weight: bold;
    font-size: large;
 }
 
 
#p{
  font-size:large;
 }

 #titulo{
    font-size: x-large;
    font-weight: bold;
 }

 body{
    background-color: rgb(247, 247, 244);
 }