Cara Membuat Related Post Grid Responsive di Blogger

/* CSS Related Posts Start */
#mdRelated {
    display: block;
    margin: 20px 0px;
    line-height: 1.5em;
}

#mdRelated h3.title {
    font-size: 16px;
    font-weight: 600;
    text-align: center;
    text-transform: uppercase;
    line-height: initial;
}

#mdRelated h3.title span {
    background-color: #fff;
    padding: 0px 15px;
    position: relative;
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}

#mdRelated h3.title:before {
    content: '';
    display: block;
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    top: 10px;
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#mdRelated ul {
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    padding: 0px;
    display: flex;
    display: -webkit-flex;
    flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
    -ms-flex-wrap: wrap;
}

#mdRelated ul li {
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    text-align: center;
    margin-right: 20px;
    margin-bottom: 20px;
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#mdRelated ul li .thumb {
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}

#mdRelated ul li:nth-of-type(3n) {
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}

#mdRelated ul li a {
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}

#mdRelated ul li a.judul {
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}

#mdRelated ul li a.judul:hover,#mdRelated ul li:hover a.judul {
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}

#mdRelated ul li a img {
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    max-height: 143px;
    transition: all .3s ease;
    border: 0px;
    margin: 0px;
}

#mdRelated .norelated {
    text-align: center;
    font-weight: 600;
}

@media screen and (max-width:480px) {
    #mdRelated ul li {
        width: calc((100% / 2) - 7.5px);
        margin-right: 15px;
        margin-bottom: 15px;
    }

    #mdRelated ul li:nth-of-type(3n) {
        margin-right: 15px;
    }

    #mdRelated ul li:nth-of-type(2n) {
        margin-right: 0px;
    }
}
/* CSS Related Posts End*/

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    <h3 class='title'><span>ARTIKEL TERBARU</span></h3>
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