body {
  font-family: 'Montserrat', sans-serif;
  width: 720px;
  margin: 0 auto;
}

h3 {
  text-align: center;
  color: #293991;
  font-weight: 600;
  font-size: 28px;
  text-transform: uppercase;
}

p {
  margin-top: 0px;
  text-align: center;
  margin: 11px 0 36px 0;
  color: #DFA227;
  font-weight: 600;
  font-size: 18px;
}
.cadregauche {
  width: 420px;
  float: left;
}
.cadredroit {
  width: 420px;
}

 
.cadreform, form {
  width: 474px;
  margin: 0 auto;
}
 
label {
  width: 210px;
  display: block;
  text-align: left;
    font-size: 15px;
    line-height: 1.1;
    padding: 0.3rem 0.65rem;
}
.ligneform {
  padding: 6px;
}

em {
  font-weight: bold;
  font-style: normal;
  color: #f00;
}
 
input:focus {
  border: 1px solid green;
}

input:read-only {
  background-color: #E7E7E7;
}
 
input, select {
    width: 460px;
    padding: 0.3rem 0.65rem;
    font-size: 15px;
    line-height: 1.1;
    color: #495057;
    background-color: #fff;
    background-clip: padding-box;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    transition: border-color .15s ease-in-out,box-shadow .15s ease-in-out;
}
 
input[type=submit] {
  width: 220px;
  padding: 10px;
  background-color: #DFA227;
  border: 1px solid #DFA227;
  border-radius: 22px;
  color: #fff;
  font-weight: 400;
}
.buttonHolder{ text-align: center; margin-top: 24px; }