style_css = """body, html {margin:0;padding:0;font-family:Arial,sans-serif;}
.background {position:fixed;top:0;left:0;width:100%;height:100%;background:url('../images/background.jpg') no-repeat center center/cover; z-index:-1;}
header {text-align:center;padding:20px;color:white;background:rgba(0,0,0,0.5);}
.slideshow {max-width:800px;margin:50px auto;position:relative;text-align:center;}
.slide {display:none;color:white;}
.slide.active {display:block;}
.slide img {max-width:300px;border-radius:10px;}
button.prev, button.next {position:absolute;top:50%;transform:translateY(-50%);background:rgba(0,0,0,0.5);color:white;border:none;padding:10px;cursor:pointer;}
button.prev {left:10px;}
button.next {right:10px;}
"""
with open("drama_site/css/style.css","w", encoding="utf-8") as f:
    f.write(style_css)