section{
/*   margin-top: 30px; */
}
input{
  text-align: center;
  padding: 10px 0;
  border: 1px solid #e5e5e5;
  margin-top: 12px;
  box-shadow: none;
  transition: all 0.2s;
}
input:focus{
  outline: none;
-webkit-box-shadow: 0px 0px 17px -5px rgba(79,79,79,0.65);
-moz-box-shadow: 0px 0px 17px -5px rgba(79,79,79,0.65);
box-shadow: 0px 0px 17px -5px rgba(79,79,79,0.65);
}
button{
  border: none;
  background: #43acd9;
  color: #FFF;
  line-height: 37px;
  padding: 0 20px;
  position: relative;
  margin-left: 3px;
}
button:focus{
  outline: none;
}
button:after{
  content: "Copie réussi";
  opacity: 0;
  position: absolute;
  top: 0;
  right: 0px;
  padding: 0 10px;
  background: #84d72c;
  transition: all 2s;
  -webkit-transition: all 0.5s;
}
button.copied:after{
  right: -100px;
  opacity: 1;
}
textarea{
  display: block;
  margin: auto;
  padding: 10px;
  text-align: center;
  font-family: inherit;
  font-size: 15px;
  font-weight: normal;
  resize: none;
  margin-top: 12px;
  width: 235px;
  height: 50px;
}