#tete{
  margin-left: auto;
  margin-right: auto;
}
body{
  font-family: sans-serif;
  
}
fieldset{
  width: 500px;
  margin-left: auto;
  margin-right: auto;
  
  
}
input{
  border-radius:5px;
  display: inline-block;
  

  
}
label{
  width: 150px;
  float: left;
}
#sub{
  border-radius: 10px;
  color:white;
  width: 150px;
  background-color: #2F4F4F;
  
}