solve the error

[GeekyGauravbharat]

<title>YouTube.com Clone

</title>
<style>
    p {
        font-family: Roboto, Arial;
        margin-top: 0;
        margin-bottom: 0;
    }

    .thumbnail {
        width: 300px;
        display: block;
    }

    .search-bar {
        display: block;
    }

    .video-title {
        margin-top: 0;
        font-size: 14px;
        font-weight: bold;
        line-height: 20px;
        margin-bottom: 12px;
    }

    .video-preview {
        width: 300px;
        display: inline-block;
        vertical-align: top;
        margin-right: 15px;
       
    }
    .video-info-grid{
        display: grid;
        grid-template-columns: 50px 1fr;
    }

    .channel-picture {
        display: inline-block;
        width: 50px;
        vertical-align: top;
        margin-top: 15px;

    }

    .video-info {
        display: inline-block;
        width: 210px;
        margin-top: 15px;
        
    }

    .profile-picture {
        width: 100%;
        border-radius: 40px;

    }

    .thumbnail.row {
        margin-bottom: 12px;
    }

    .video-stats {
        font-size: 12px;
        color: rgb(96, 96, 96);
    }

    .video-author {
        font-size: 12px;
        color: rgb(96, 96, 96);
        margin-bottom: 4%;
    }
</style>

<div class="video-preview">
    <div class="thumbnail-row">
        <img class="thumbnail" src="thumbnails/thumbnail-1.webp">
    </div>
    <div class="video-info-grid">
    <div class="channel-picture">
    </div>
        <img class="profile-picture" src="channel-pictures/channel-1.jpeg">
    </div>
    
    <div class="video-info">
        <p class=" video-title">
            Talking Tech and AI with Google CEO Sunder Pichai!
        </p>
        <p class="video-author">
            Marques Brownlee
        </p>
        <p class="video-stats">
            3.4M views &#183; 6 Months ago
        </p>
    </div>
    <div>

    </div>



</div>
<div class="video-preview">
    <img class="thumbnail" src="thumbnails/thumbnail-2.webp">
    <div class="video-info-grid"></div>
    <div class="channel-picture">
        <img class="profile-picture" src="channel-pictures/channel-2.jpeg">
    </div>
    <div class="video-info">
        <p class=" video-title">
            Try Not To Laugh Challenge #9
        </p>
        <p class="video-author">
            Markiplier
        </p>
        <p class="video-stats">
            19M views &#183; 4 years ago
        </p>

    </div>
</div>