body > p {
    margin-top: 80px;
    text-align: center;
    font-size: 30px;
    font-weight: 200;
    max-width: 1000px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

body > hr {
    max-width: 70%;
}

ul {
    margin-top: 50px;
    flex-direction: row;
    flex-wrap: wrap;
    box-sizing: border-box;
    max-width: 900px;
    position: relative;
    list-style-type: none;
    padding-left: 5px;
    padding-right: 5px;
    display: block;
    margin-left: auto;
    margin-right: auto;
}

/*Code of each publication*/
li > p:nth-child(1) {
    color: #888;
    font-weight: 500;
    font-size: 20px;
    margin-right: 0.7em;
    line-height: 1.2em;
}

li:not(:nth-child(1)) > p:nth-child(1) {
    padding-top: 50px;
}

/*Publication fields*/
li > p:nth-child(2), li > p:nth-child(3), li > p:nth-child(4) {
    color: #333;
    font-weight: 400;
    margin-right: 0.7em;
    vertical-align: top;
    line-height: 1.2em;
    padding-left: 10px;
}