server-islands/src/components/CategorySkeleton.astro

<div class="category">
    <div class="category-start">
        <div class="loading-skel"></div>
        <div class="loading-skel"></div>
    </div>
    <div class="category-end">
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
        <div class="loading-skel-video"></div>
    </div>
</div>

<style lang="scss">
@keyframes wave-lines {
  0% {
    background-position: -468px 0;
  }
  100% {
    background-position: 468px 0;
  }
}
@keyframes wave-squares {
  0% {
    background-position: -468px 0;
  }
  100% {
    background-position: 468px 0;
  }
}

.loading-skel {
    height: 32px;
    background: linear-gradient(to right, rgba(130, 130, 130, 0.2) 8%, rgba(130, 130, 130, 0.3) 18%, rgba(130, 130, 130, 0.2) 33%);
    background-size: 800px 100px;
    animation: wave-lines 1s infinite ease-out;
    border-radius: 12px;
    padding: 12px;
    max-width: 100px;
    min-width: 100px;
    width: 100%;
    margin-bottom: 20px;
    display: flex;
}

.loading-skel-avatar {
    background: linear-gradient(to right, rgba(130, 130, 130, 0.2) 8%, rgba(130, 130, 130, 0.3) 18%, rgba(130, 130, 130, 0.2) 33%);
    background-size: 800px 100px;
    animation: wave-lines 1s infinite ease-out;
    border-radius: 3rem;
    margin-bottom: 20px;
    display: flex;
    aspect-ratio: 1;
    width: 137.7px;
    height: 65px;
}

.loading-skel-video {
    height: 232px;
    margin-bottom: 6px;
    background: linear-gradient(to right, rgba(130, 130, 130, 0.2) 8%, rgba(130, 130, 130, 0.3) 18%, rgba(130, 130, 130, 0.2) 33%);
    background-size: 800px 100px;
    animation: wave-lines 2s infinite ease-out;
    border-radius: 12px;
    min-width: 400px;
}

.channel {
    .channel-header {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 0px 24px;
        .channel-header-start {
            display: flex;
            align-items: center;
            gap: 24px;
            img {
                width: 64px;
                height: 64px;
                border-radius: 3rem;
            }
        }
        .channel-header-end {
            button {
                color: black;
                background: white;
                border: none;
                border-radius: 3rem;
                padding: 8px 16px;
                font-size: 16px;
                font-weight: bold;
            }
        }
    }
    .tabs {
        display: flex;
        gap: 12px;
        margin: 16px 0px;
        padding: 0px 24px;
        a {
            color: white;
            text-decoration: none;
            background: #373737;
            padding: 12px 24px;
            border-radius: 6px;
        }
    }
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    grid-gap: 25px;
    max-width: 100%;
    margin: auto;
    padding: 0px 24px;
}
</style>

<style lang="scss" is:global>
.category {
    display: flex;
    flex-direction: column;
    gap: 24px;
    .category-start {
        display: flex;
        justify-content: space-between;
        align-items: center;
    }
    .category-end {
        display: flex;
        box-sizing: border-box;
        white-space: nowrap;
        position: relative;
        overflow-x: scroll;
        overflow-y: hidden;
        align-items: center;
        gap: 24px;
        padding-bottom: 24px;
        .video-item {
            min-width: 300px !important;
            p#vi-title {
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }
        }
    }
    .category-end::-webkit-scrollbar {
        background: transparent;
        height: 6px;
    }
    .category-end::-webkit-scrollbar-thumb {
        background: transparent;
    }
}
</style>