body, html {
  margin: 0;
  padding: 0;
  height: 100%;
  background: #43C6AC;
  background: -webkit-linear-gradient(to right, #F8FFAE, #43C6AC);
  background: linear-gradient(to right, #F8FFAE, #43C6AC);
}
#register-div {
width: 75%; 
background-color: rgba(255, 255, 255, 0.6); 
backdrop-filter: blur(10px); 
border-radius: 5px;
padding: 20px;
border: 2px solid rgba(87, 7, 7, 0.3); 
box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
}
.title-container {
  display: flex;
  align-items: center;
  border-bottom: 2px solid lightgreen;
  padding-bottom: 10px;
  margin-bottom: 10px;
}
.title-container img {
  height: 40px;
  margin-right: 10px;
}

#message-box {
opacity: 0;
transition: all 0.5s ease-in-out;
transform: translateY(-100%);
z-index: 9999;
margin: 10px;
width: 30%;
}

#message-box.show {
opacity: 1;
visibility: visible;
transform: translateY(0%);
}

#message-box p {
margin-bottom: 0;
padding-top: 5px;
padding-bottom: 5px;
}