body {
  background: url("https://www.transparenttextures.com/patterns/old-wall.png");
  color: rgb(0, 76, 255);
  font-family: "Times New Roman", Times, serif;
  margin: 0;
  padding: 0;
}

.top-bar {
  background-color: #00008b;
  color: yellow;
  padding: 10px;
  display: flex;
  justify-content: space-around;
  border-bottom: 4px double lime;
  align-items: center;
  flex-wrap: wrap;
}

.top-bar button,
.top-bar a {
  font-family: "Times New Roman", Times, serif;
  font-size: 16px;
  background-color: yellow;
  color: red;
  border: 2px outset #000;
  padding: 5px 15px;
  cursor: pointer;
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 5px;
  max-height: 40px;
}

.top-bar button img {
  width: 16px;
  height: 16px;
  margin-left: 5px;
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.content {
  padding: 20px;
}

.marquee {
  background: black;
  color: #00ffff;
  padding: 5px;
  font-size: 18px;
  font-weight: bold;
}

.placeholder {
  border: 3px dotted rgb(255, 0, 0);
  padding: 15px;
  margin: 20px 0;
  background: #fefff0;
}