body {
    color: rgb(28, 0, 211);
    text-align: center;
    font-family: Courier;
    display: flex;
    justify-content: center;
    flex-direction: column;
    align-items: center;
    
}
#cabezera {
    background-color: blueviolet;
    box-shadow: 0px 0px 5px 0px black;
    color: white;
    border: 1px solid black;
    font-weight: bold;
    padding: 0.6em;
    align-content: center;
    font-size: 14.5px;
    width: 73%;
}
#container {
    width: 70%;
    padding: 1em;
    text-align: center;
    border: 1px solid black;
}

#container h1 {
    font-size: 20 px;
}