body {
    font-family: "Arial";
}

header {
    text-align: center;
}

main {
    width: calc(100% - 20vw);
    margin-right: auto;
    margin-left: auto;
    text-align: justify;
}

ol {
    margin: 0 0 1.5em;
    padding: 0;
    counter-reset: item;
}

ol > li {
    text-indent: -2em;
    list-style-type: none;
    counter-increment: item;
}

ol > li:before {
    display: inline-block;
    width: 1em;
    padding-right: 0.5em;
    font-weight: bold;
    text-align: right;
    content: counter(item) ".";
}

ul {
    list-style: none;
    padding: 0;
}

ul > ul{
    padding-left: 25px;
}

.parrafo{
    font-weight: normal;
}

.pro-in{
    padding-left: 40px;
    text-align: justify;
}