#main>.list-title {
    margin-bottom: 1rem;
}

#main>.post-group>ul {
    border-left: gray solid 1px;
    list-style-type: none;
    margin-left: .5rem;
    padding-left: 1rem;
}

#main>.post-group>ul>li {
    align-items: center;
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    line-height: 1.6;
}

#main>.post-group>ul>li>time {
    text-align: right;
}

@media screen and (min-width: 768px) {
    #main>.post-group>ul {
        margin-left: 1rem;
        padding-left: 2rem;
    }
}