body {
    background:#1a1a1a;
    color:white;
    font-family: Arial, sans-serif;
    margin:0;
}

a { color:white; text-decoration:none; }

.wrapper {
    width:850px;
    margin:auto;
}

.banner {
    height:150px;
    background:#333;
    display:flex;
    align-items:center;
    justify-content:center;
    overflow:hidden;
}

.banner img {
    width:100%;
    height:100%;
    object-fit:cover;
}

.nav {
    background:#222;
    display:flex;
    justify-content:center;
    gap:20px;
    padding:10px;
}

.announcement {
    background:#9E1919;
    padding:5px;
    text-align:center;
}

.content {
    display:flex;
    gap:10px;
    margin-top:10px;
}

.sidebar {
    width:250px;
}

.box {
    background:#2a2a2a;
    margin-bottom:10px;
    padding:10px;
}

.main {
    flex:1;
}

input {
    width:100%;
    margin-bottom:5px;
}

.footer {
    font-size:12px;
    margin-top:10px;
    padding:10px;
    background:#111;
}

.topbar {
    position:fixed;
    top:0;
    width:100%;
    background:#ddd;
    color:black;
    text-align:center;
    padding:5px;
}

.video-container {
    position: relative;
    width: 100%;
    padding-bottom: 56.25%;
    height: 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}

#progress {
  width: 100%;
  margin-top: 5px;
}

#playpause {
  background: none;
  border: none;
  cursor: pointer;
  padding: 0;
}

#playpause img {
  vertical-align: middle;
}