style.css

html{
    height: 100%;
    width: 100%;
}
body{
    font-family:'Trebuchet MS', 'Lucida Sans Unicode', 'Lucida Grande', 'Lucida Sans', Arial, sans-serif;
    background-image: radial-gradient(circle at 50% -20.71%, #fffff3 0, #ffffdf 16.67%, #fffeca 33.33%, #f2f2b5 50%, #dce7a1 66.67%, #c6dd91 83.33%, #aed484 100%);
}
h1 {
    text-align: center;
    background-color: black;
    color: white;
    border-radius: 8px;
}
h3{
    text-align: center;
}
section{
    background-color: lightgrey;
    width: auto;
    border: 15px solid rgb(117, 160, 117);
    border-radius: 8px;
    padding: 20px;
    margin: 0px;
}
textarea {
  width: 100%;
  height: 80px;
  padding: 12px 20px;
  box-sizing: border-box;
  border: 2px solid #ccc;
  border-radius: 8px;
  background-color: #f8f8f8;
}
.buttonCenter{
    width: 100%;
    display: flex;
    justify-content: space-around;
}
button{
    background-color: darksalmon;
    border: none;
    border-radius: 8px;
    color: rgb(0, 0, 0);
    padding: 10px 32px;
    text-decoration:none;
    cursor:pointer;
    transition-duration: 0.4s;
}
button:hover {
  background-color: #4CAF50;
  color: white;
  box-shadow: 0 12px 16px 0 rgba(0,0,0,0.24), 0 17px 50px 0 rgba(0,0,0,0.19);
}
footer {
    text-align: center;
    padding: 3px;
    background-color: DarkSalmon;
    color: white;
    border-radius: 8px;
    margin-top: 20px;
}