ul li{
    margin: 0;
}

p, table, h1,h2,h3{
    margin-top: 2rem;
    margin-right: auto;
    margin-left: auto;
    width: 80%;
    text-align: left;
}
.table-wrapper{
    display: block;
    overflow-x: auto;
    white-space: nowrap;
}

table, th, td{
    border: 1px solid black;
    border-collapse: collapse;
}
th, td{
    padding: 15px;
}
table#info tr:nth-child(even){
    background-color: #eee;
}

table#info tr:nth-child(odd){
    background-color: #fff;
}

table#info th{
    background-color: #181818;
    color: white;
}

table{
    margin-left: auto;
    margin-right: auto;
}

.section-b-info .contain li{
    list-style: upper-alpha;
    margin: 0;
    margin-bottom: 2rem;
}

.section-d .btn h1,
.section-d .btn h3{
    margin: 0;
    text-align: center;
}

@media screen and (max-width: 768px){
    .section-a .contain h2{
        font-size: 3rem;
    }
}