body{
    font-size: 20px;
    font-family: 'Courier New', Courier, monospace;
}
.parent_div{
    margin-top: 28vh;
    display: flex;
    align-items: center;
    justify-content: center;
}
.child_div{
    text-align: center;
}
.main_ul{
    padding: 0;
}
.main_li{
    display: inline;
    margin-inline: 3em;
}
a{
    text-decoration: none;
    color: rgb(74, 74, 74);
}
a:hover{
    text-decoration: underline;
    font-style: italic  ;
}