body {
  background-color: rgb(252, 247, 239);
  font-family: Times, serif;
  margin: 0;
  padding: 0;
}

.ctn_center {
  text-align: center;
}

header {
  text-align: center;
}
header #circle_logo {
  width: 480px;
  height: auto;
}
header nav {
  padding: 0 20px;
}
header a {
  text-decoration: none;
  color: #333;
  font-size: 24px;
  padding: 10px 20px;
  border-radius: 5px;
  transition: background-color 0.3s;
}
header a:hover {
  background-color: rgb(181, 213, 211);
}

main {
  max-width: 800px;
  margin: 0 auto;
  padding: 20px;
}
main #bluesky_logo {
  width: 128px;
  height: auto;
}
main .popup {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.6);
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 9999;
}
main .hidden {
  display: none;
}
main .popup_content {
  background: white;
  padding: 20px;
  border-radius: 16px;
  max-width: 90%;
  max-height: 90%;
  overflow: auto;
  position: relative;
  text-align: center;
}
main .popup_content img {
  max-width: 100%;
  border-radius: 12px;
}
main .popup_close {
  position: absolute;
  top: 12px;
  right: 16px;
  font-size: 24px;
  cursor: pointer;
}

footer {
  text-align: center;
  padding: 20px;
}

@media screen and (max-width: 679px) {
  header #circle_logo {
    width: 320px;
    height: auto;
  }
  header nav {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  main {
    padding: 10px;
  }
  main #welcome_text {
    font-size: 18px;
  }
}/*# sourceMappingURL=style.css.map */