body {
    font-family: sans-serif;
    margin: 0;
    background-color: #F7E550;
    color: #25375F;
}

header {
    text-align: center;
    background-color: #25375F;
    color: white;
    padding: 1rem;
}

header img {
    width: 100%;
    max-height: 200px;
    object-fit: cover;
}

.video-container {
    margin: 2rem auto;
    max-width: 960px;
    padding: 0 1rem;
}

.youtube-lazy {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    background-color: #000;
    cursor: pointer;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.4);
}

.youtube-lazy img,
.youtube-lazy iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    border: none;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    width: 68px;
    height: 48px;
    background-color: rgba(0,0,0,0.6);
    border-radius: 12%;
    transform: translate(-50%, -50%);
    z-index: 2;
}
.play-button::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-40%, -50%);
    width: 0;
    height: 0;
    border-left: 18px solid white;
    border-top: 12px solid transparent;
    border-bottom: 12px solid transparent;
}

.youtube-lazy:hover .play-button {
    transform: translate(-50%, -50%) scale(1.05);
}

footer {
    text-align: center;
    background-color: #25375F;
    color: white;
    padding: 1rem;
    margin-top: 2rem;
}

@media screen and (max-width: 600px) {
    .play-button {
        width: 60px;
        height: 60px;
    }

    header img {
        max-height: 120px;
    }
}

#login-screen {
    margin: 2rem auto 0;
    text-align: center;
    width: 300px;
}

#login-screen h2 {
    margin-bottom: 1rem;
    color: #25375F;
}

#login-screen input[type="password"],
#login-screen button {
    width: 100%;
    height: 40px;
    font-size: 1rem;
    border-radius: 4px;
    box-sizing: border-box;
}

#login-screen input[type="password"] {
    margin-bottom: 1rem;
    padding: 0 10px;
    border: 1px solid #ccc;
}

#login-screen button {
    background-color: #25375F;
    color: white;
    border: none;
    cursor: pointer;
}

#login-screen button:hover {
    background-color