.conference-banner { 
  width: min(100%, 1200px); 
  margin: 1rem auto 0; 
  padding: 0 1rem; 
  box-sizing: border-box; /* Un-commented to ensure padding doesn't break width calculations */
} 

.conference-banner img { 
  display: block; 
  width: 70%; 
  height: auto; 
  margin: 0 auto; /* Added to center the image within the container */
  border-radius: 12px; 
} 

@media (max-width: 720px) { 
  .conference-banner { 
    margin-top: 0.75rem; 
    padding: 0 0.75rem; 
  } 
  .conference-banner img { 
    border-radius: 8px; 
  } 
}