* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: sans-serif;
}

body {
  background-image: url("img/background.jpg");
  background-repeat: no-repeat;
  background-size: cover;
  background-position: right;
  display: flex;
  align-items: center;
  height: 100vh;
}

.formulaire {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}

form {
  width: 600px;
}

form.Forms_parainage {
  background-color: #f0f2f4c7;
  justify-content: center;
  align-items: center;
  padding: 20px 10px;
}

.title_forms {
  text-align: center;
  margin: 30px 10px;
}

.ligne {
  display: flex;
  flex-direction: row;
  justify-content: space-between;
  margin-bottom: 30px;
}

.ligne input {
  width: 48%;
  background: none;
  border: none;
  border-bottom: 1px solid #ff0033;
  padding-bottom: 10px;
}

.ligne input::placeholder {
  color: gray;
  font-style: italic;
}

.ligne input:focus {
  outline: none;
}

.button {
  display: flex;
  justify-content: center;
}

.button input {
  background-color: #ff0033;
  border: none;
  border-radius: 10px;
  color: white;
  padding: 15px 70px;
  text-align: center;
  text-decoration: none;
  display: inline-block;
  font-size: 16px;
  cursor: pointer;
}

.button input:hover {
  background-color: #d90630;
}

.Chmps {
  color: gray;
  font-style: italic;
  font-size: 14px;
  margin-top: 10px;
  margin-left: 30px;
}

.error {
  color: red;
  font-style: italic;
}

@media screen and (max-width: 768px) {
  form {
    width: 500px;
  }
}

@media screen and (max-width: 576px) {
  .formulaire {
    padding: 0px 20px;
  }

  form {
    width: 100%;
  }

  form.Forms_parainage {
    padding: 20px 0px;
  }

  .ligne {
    flex-direction: column;
    margin: 0px;
  }

  .ligne input {
    width: 100%;
    margin-bottom: 30px;
  }

  .button input {
    width: 97%;
  }
}