p > img {
    border: 0;
    display: block;
    padding: 30px;
    margin-right: auto;
    margin-left: auto;
}

span > img {
    padding: 10px;
    border: 0;
}

span.block {
    padding: 20px;
    display: block;
    text-align: center;
    margin-right: auto;
    margin-left: auto;
}

dt {
    font-style: italic;
}

dd {
    padding-top: 5px;
    padding-bottom: 10px;
}

table#browsers {
    padding: 30px;
    text-align: center;
    margin-right: auto;
    margin-left: auto;
}
        
table#browsers td {
    border: 1px solid black;
    padding: 10px;
}

ul > li {
    list-style-type: disc;
}