.btntk {
	display: inline-block;
	padding: 5px 15px;
	font-size: 24px; 
	cursor: pointer; 
	text-align: center; 
	text-decoration: none; 
	outline: none; color: #fff; 
	background-color: skyblue; 
	border: none; 
	border-radius: 15px; 
	box-shadow: 0 9px #999;
}
.btntk:hover {
	background-color: cadetblue
}
.btntk:active {
	background-color: #3e8e41; 
	box-shadow: 0 5px #666; 
	transform: translateY(4px);
}
.lineUN{
	text-decoration: none;
}
.lineUN:hover{
	text-decoration: none;
}
.play-button {
    display: flex;
    align-items: center;
    background: blue;
    color: white;
    font-size: 14px;
    padding: 8px 15px;
    border-radius: 20px;
    cursor: pointer;
    transition: transform 0.2s ease;
    border: none;
    margin: 10px 0;
    width: 165px;
    height: 36px;
}
.play-button svg {
    width: 20px;
    height: 20px;
    margin-right: 8px;
}
#viewMore{
    display: flex;
    justify-content: space-around;
}
.viewMore{
    display: flex;
    flex-direction: column;
    align-items: center;
    width: 100%;
}
.video-container {
    width: 100%;
    margin: 15px 0;
    border-radius: 10px;
    overflow: hidden;
    background: rgba(0, 0, 0, 0.2);
    display: none;
}
.video-container.visible {
    display: block;
    animation: fadeIn 0.3s ease;
}
@media screen and (max-width: 768px) {
    .video-container.visible {
        width: 100%;
    }
    #viewMore{
        flex-wrap: wrap;
    }
    .viewMore{
        width: 100%;
    }

}
.tutorial-video {
    width: 100%;
    border-radius: 10px;
    display: block;
}