.blogcard {
    line-height: 1;
    background-color: #ffffff;
    border: 1px solid #eeeeee;
    word-wrap: break-word;
    box-shadow: 0 0 10px 6px rgba(0, 0, 0, 0.025);
    color: black;
    font-size: 1rem;
}

.blogcard.ex {
    background-color: #f7f7f7;
}

.blogcard a {
    text-decoration: none;
    opacity: 1;
    transition: all 0.2s ease;
    color: black;
}

.blogcard a:hover {
    opacity: 0.6;
    color: #0066ca;
}

.blogcard_thumbnail {
    float: left;
    padding: 20px 10px;
    width: 100%;
    margin-right: 20px;
}

.blogcard_thumbnail img {
    margin-bottom: 0px !important;
}

.blogcard_title {
    font-size: 2rem;
    font-weight: bold;
    line-height: 1.4;
    padding: 20px 20px 10px;
}

.blogcard_excerpt {
    font-size: 1.6rem;
    line-height: 1.6;
    padding: 0 17px 15px 20px;
}

.blogcard_link {
    font-size: 1.6rem;
    text-decoration: underline;
    padding: 0 17px 15px 20px;
    text-align: left;
}

.blogcard_link .icon-external-link-alt::before {
    font-size: 0.75em;
}

@media screen and (max-width: 768px) {
    .blogcard {
        margin: 40px 0;
    }

    .blogcard_title {
        font-size: 0.95em;
        padding-bottom: 17px;
    }

    .blogcard_excerpt {
        display: none;
    }
}

@media screen and (min-width: 769px) {
    .blogcard_thumbnail {
        overflow: hidden;
        width: 200px;
        height: 200px;
        position: relative;
        margin-right: 20px;
        background-color: #2b2b2b;
    }

    .blogcard_thumbnail img {
        position: absolute;
        top: 50%;
        left: 50%;
        -webkit-transform: translate(-50%, -50%);
        -ms-transform: translate(-50%, -50%);
        transform: translate(-50%, -50%);
        width: 100%;
        height: auto;
    }
}

ブログカードを生成するには
