.plc {
    position: relative;
}

    .plc::before, .plc::after {
        content: "";
        display: block;
        left: 0;
        top: 0;
        width: 100%;
        text-align: center;
    }

    .plc::before {
        background: #ccc none repeat scroll 0 0;
        /* box-shadow: inset 0 1px 10px #bbb; */
        height: 150px;
    }

    .plc::after {
        font-size: 49px;
        opacity: 0.25;
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        font-family: "bootstrap-icons";
    }

    .plc.video::after {
        content: "\F21B";
    }

    .plc.image::after {
        content: "\F42A";
    }

    .plc.audio::after {
        content: "\F611";
    }