#formulario {
    position: 50%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background-color: lightgray;
    padding: 10px;
    border: 1px solid gray;
}
input[type="text"],
input[type="email"],
input[type="submit"] {
    display: block;
    margin-bottom: 10px;
    padding: 5px;
    border: 1px solid gray;
    border-radius: 5px;
    width: 100%;
    box-sizing: border-box;
}

.imagenlogo{
    
    width: 10% !important;
}
table {
    table-layout: fixed;
    width: 100%;
    border-collapse: collapse;
    border: 3px solid black;
  }