table {
    border-collapse: collapse;
    width: 80%;
    margin: 10px auto;
}

th{
    border: 0;
    background-color: blueviolet;
    padding-left: 5px;
    padding-right: 5px;
    line-height: 40px;
}

td {
    text-align: center;
}

td:hover{
    background-color: blanchedalmond;
}

th,td {
    border-bottom: 1px solid green;
}

ul{
    list-style-type: upper-alpha;
}

li{
    list-style-type: upper-roman;
}

li {
    border: 1px solid orangered;
    list-style-position: outside;
    text-align: center;
    text-decoration-color: blueviolet;
}

ol {
    background: seagreen;
    padding: 20px;
    color: whitesmoke;
}

li {
    background: slateblue;
    padding: 50px;
    color: aliceblue;
}