html{
    background-color: cornsilk;
}

body{
    margin: auto;
    max-width: 1000px;
    border: black 1px solid;
    background-color: white;
    box-shadow: 0px 0px 90px 0px rgb(0 0 0 / 35%);
}

#contenedor{
    padding: 0px 30px;
}

h1{
    color: #0f61f6;
}

li{
    margin-top: 20px;
}

em{
    font-weight: bold;
}

.nota{
    color: gray;
    font-weight: bold;
}

.ejemplo{
    padding-left: 15px;
}

footer{
    margin-top: 50px;
    min-height: 50px;
    padding: 10px;
    text-align: right;
    background-color: #0f61f6;
    color: white;
}