body{
    padding-left: 10px;
    padding-right: 10px;
}

h1{
    border: 2px solid #00f;
    padding-left: 10px;
    padding-top: 10px;
    padding-left: 10px;
    padding-bottom: 10px;
    margin-bottom: 30px;
    margin-top: 30px;
}

h2{
    border: 2px solid #AAA;
    padding-left: 5px;
    padding-bottom: 5px;
    padding-top: 5px;
    margin-bottom: 15px;
}

.lista{
    border: 2px solid #0F0;
}


li{
    margin-bottom: 0px;
    margin-top: 0px;

}

li + li{
    margin-top: 15px;
}

.regresar{
    margin-top: 150px;
    text-align: center;
    font-size: 25px;}
    .back{
        font-family: Verdana, Geneva, Tahoma, sans-serif;
        text-decoration: none;
        color: rgb(0, 0, 0);}
        .back:hover{
            text-decoration: underline;
}