.knwhead {
        font-family: 'Roboto';
        font-weight: bold;
        color: #0D8D7C;
        font-size: 32px;
        text-transform: uppercase;
        margin: 0;
        padding: 0;
    }
    .card.left{color: #fff;}
    .play-button {
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 60px;
        height: 60px;
        background-color: transparent;
        border: 2px solid #fff;
        border-radius: 50%;
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: background-color 0.3s, transform 0.3s;
    }

    .play-button:hover {
        background-color: rgba(255, 255, 255, 0.4);
        transform: translate(-50%, -50%) scale(1.1);
    }

    .play-button i {
        font-size: 24px;
        color: #fff;
    }

    .play-button.playing i {
        content: "\f04c";
        /* Font Awesome code for pause icon */
    }

    .vid-heading-full,
    .head-captions p {
        font-family: 'Roboto';
        color: #fff;
        font-weight: normal;
        margin: 0;
        padding: 0;
    }

    .vid-heading-full.tail {
        font-size: 20px;
        color: #5E5E5E;
    }

    .head-captions.tail p {
        font-size: 14px;
        color: #5E5E5E;
    }

    #play-button-tile {
        position: absolute;
    top: 50%;
    left: 50%;
    border: 1px solid #fff;
    width: 50px;
    height: 50px;
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    background: transparent;
    transform: translate(-50%, -50%);
    font-size: 30px;
}

.hvr:hover #play-button-tile{
    color: #fff;
    border: 1px solid #0D8D7C;
    background: #0D8D7C;
}
.fa-play:before{position: relative; left: 3px;}

@media screen and (min-width: 1920px) {
    .vid-heading-full.tail {
        font-size: 24px;
    
    }

    .head-captions.tail p {
        font-size: 18px;
        color: #5E5E5E;
    }

}

    @media screen and (max-width: 991px) {
        .knwhead {
            padding: 0 10px;
       
            font-size: 20px;
        }
        
        .vid-heading-full.tail {
            font-size: 16px;
            color: #5E5E5E;
        }

    }