:root {
  --dark-grey: #595959;
  --white: white;
  --red: red;
}

* {
  font-family: Verdana;
  color : var(--white);
}

html, body {
  height: 100%; width: 100%;
  margin: 0px;  padding: 0px;
}

body {
  background-color: var(--dark-grey);
  display: flex;
}

.cMiddleForm {
  display: flex;
  flex-direction: column;
  align-items: center;
  margin: auto;
}

.cContainerForm {
  font-size: 18px;
  width: 500px;
  justify-content: center;
}

fieldset, .cBoutonForm {
  border-radius: 10px;
}

.cDivForm {
  margin: 20px 50px;
  display: flex;
  flex-direction: column;
}

.cInputForm {
  color: var(--dark-grey);
  height: 20px;
  border: solid 5px var(--white);
  border-radius: 5px;
}

.cBoutonForm {
  height: 50px;
  font-weight: bold;
  background-color: var(--white);
  font-size: 20px;
}

.cBoutonForm:hover {
  cursor: pointer;
  background-color: var(--dark-grey);
  color: var(--white);
}

.error {
  color: var(--red);
  margin: 0px 40px
}