master.css

.bg{
  background-image: url("https://i.imgur.com/8kpFj4o.jpeg");
  background-size: cover;
  margin: 0;
  padding: 0;
  height: 100vh;
  }
  #title{
    font-family: 'Poppins', sans-serif;
    font-size: 8em;
    text-align: center;
    margin: auto;
    padding-top: 1em;
    color: white;
    z-index: 2;
  }
  .fadeinanim{
    animation: fadeinanim;
    animation-duration: 1s;
    animation-iteration-count: 1;
  }
  @keyframes fadeinanim {
    0% {
      opacity: 0;
    }
    100% {
      opacity: 1;
    }
  }
  #subtitle{
    font-family: 'Send Flowers', cursive;
    font-size: 2em;
    text-align: center;
    margin-top: 0;
    color: white;
    z-index: 2;
  }
  #description{
    font-family: 'Noto Sans', sans-serif;
    font-size: 1.5em;
    text-align: center;
    color: white;
    margin-bottom: 2em;
  }
  .content{
    background-image:
  }
.bounce {
  -moz-animation: bounce 2s infinite;
  -webkit-animation: bounce 2s infinite;
  animation: bounce 2s infinite;
  display: block;
  margin-left: auto;
  margin-right: auto;
  margin-top: 3em;
}
@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-30px);
  }
  60% {
    transform: translateY(-15px);
  }
}
.space_top{
  margin-top: 16em;
}
#survey-form{
 font-family: 'Noto Sans', sans-serif;
 font-size: 1.7em;
 color: white;
 border: 0;
 display: block;
 margin-left: auto;
 margin-right: auto;
 background-image: url(https://cdn.pixabay.com/photo/2015/11/07/12/28/tree-1031814_960_720.jpg);
 background-repeat: no-repeat;
 background-size: cover;
 text-align: center;
  padding-top: 5em;
  padding-bottom: 2em;
}
.form_box{
  width: 25%;
  padding: 0.5em;
  color: gray;
}
.ft{
   color: white;
   text-align: center;
   margin-top: 0;
}
.button {
  background-color: #4CAF50; /* Green */
  border: none;
  color: white;
  padding: 16px 32px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  margin: 4px 2px;
  transition-duration: 0.4s;
  cursor: pointer;
}

.button1 {
  background-color: white;
  color: black;
  border: 2px solid #4CAF50;
}

.button1:hover {
  background-color: #4CAF50;
  color: white;
}