* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html, body {
  width: 100%;
  height: 100%;
  font-family: sans-serif;
  background-color:#1C1C1C;
}

#main {
  height: 100%;
  width: 100%;
  display: flex; /* GORIZONTAL bo‘lishi uchun */
  flex-direction: row;
}

.section {
flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: #eee;
  border-right: 1px solid #ccc;

}

.section:nth-child(1) { background-color: #00000094;border:none;border-radius:40px;width:30%;margin-left:10px; }
.section:nth-child(2) { background-color: #00000094;border:none;border-radius:40px;width:30%;margin-left:10px; }
.section:nth-child(3) { background-color: #00000094;border:none;border-radius:40px;width:30%;margin-left:10px; }

button {
  padding: 1rem 2rem;
  font-size: 1.2rem;
  cursor: pointer;
  border: none;
  border-radius: 5px;
  background-color: #333;
  color: white;
}

#iframeContainer {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  z-index: 10;
  flex-direction: column;
}

#closeBtn {
  background: crimson;
  color: white;
  padding: 0.5rem 1rem;
  border: none;
  font-size: 1rem;
  cursor: pointer;
  align-self: flex-end;
  margin: 10px;
  border-radius: 5px;
}


#iframeContainer iframe {
  flex: 1;
  border: none;
  width: 100%;
  height: 100%;
}