a {
  color: red;
}
body {
  font-family: monospace;
  margin: 0;
  padding: 0;
  background-image: url('gandria.png');
  background-repeat: repeat;
  background-size: auto;
  opacity: 1;
  position: relative;
  z-index: 0;
}
.main-container {
  max-width: 560px;
  margin: auto;
  margin-top: 20px;
  background-color: white;
  padding: 20px;
  border-radius: 8px;
  box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}
.main-header {
  padding: 10px;
  text-align: center;
  border-top-left-radius: 8px;
  border-top-right-radius: 8px;
  color: red;
  background-color: #222222;
  box-shadow: 0 0 10px rgba(0, 0, 0, 1);
}
.main-footer {
  padding: 10px;
  text-align: center;
  border-bottom-left-radius: 8px;
  border-bottom-right-radius: 8px;
  color: #888888;
  background-color: #222222;
  box-shadow: 0 0 10px rgba(0, 0, 0, 1);
}
.main-footer a {
  color: #888888;
}
.main-footer a:hover {
  color: red;
}
.main-content {
  padding: 20px;
  text-align: left;
  color: #111111;
  background-color: #ffffff;
  box-shadow: 0 0 10px rgba(0, 0, 0, 1);
}
.main-content:hover {
  box-shadow: 0 0 10px rgba(255, 0, 0, 1);
}
.image-container img {
  width: 100%;
  box-shadow: 0 0 10px rgba(0, 0, 0, 1);
}
.image-container img:hover {
  box-shadow: 0 0 10px rgba(255, 0, 0, 1);
}
.ptime {
  font-weight: bold;
}
.speaker:hover {
  color: rgba(255,20,20,1);
}
.abstract p {
  text-align: justify;
}
.abstract h1 {
  font-weight: bold;
  color: rgba(255,20,20,1);
  font-size: 16px;
}
.abstract h2 {
  font-weight: bold;
  font-size: 16px;
}