.background-gif {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height:100%;
  background: url('https://media4.giphy.com/media/v1.Y2lkPTc5MGI3NjExeHk2azNmYjN1bG1hbTlydWhiMDRpZngyb29mNTJpdnlvOHB4aGlyOSZlcD12MV9pbnRlcm5hbF9naWZfYnlfaWQmY3Q9Zw/GBKGjbjpZlRw00R6GM/giphy.gif')
  center/cover no-repeat;
  z-index: -1;
}
html, body {
  min-height: 500vh;
}
h1 {
  font-size: 38px;
  text-align: center;
}
h2 {
  font-size:18px ;
  text-align: center;
}
h3 {
  font-size: 18px;
  text-align: right;
}
h4 {
  font-size: 16px;
  text-align: center;
}
h5 {
  font-size: 18px;
  text-align: left;
}
h6 {
  font-size: 18px;
  text-align: center;
}
h7 {
  font-size: 18px;
  text-align: left;
}

.textbox {
  width: 260px;
  padding: 15px;
  border: 2px solid #3F35E5;
  border-radius: 10px;
  background-color: white;
  font-size: 16px;
  line-height: 1.5;
}

.textbox a {
  color: #3F35E5;
  text-decoration: underline;
}
.textbox {
  height: 350px;
}
.textbox {
  background-color: rgba(255, 255, 255, 0.2);
}
.container {
  display: flex;
  gap: 20px;
  align-items: flex-start;
}
@keyframes bounce {
 0%, 100% { transform: translateY(0); }
 50% { transform: translateY(-10px); }
}
h1 { animation: bounce 1.5s infinite;
}

@keyframes fadeIn {
from {
   opacity: 0;
 } 
  to {
   opacity: 1;
  }
}
h6 { animation: fadeIn 5s ease-in;
}