body {
    color: black;
    background-color: rgb(172, 172, 172);
}

table.body {
    background-color: rgb(91, 91, 91);
    width: 100%;
    height: 100%;
    text-align: left;
    margin-left: auto;
    margin-right: auto;
    padding: 10px;
    border: 1px solid black;
    border-spacing: 2px;
}

table.main {
    background-color: rgb(255, 220, 171);
    width: 100%;
    height: 100%;
    text-align: left;
    margin-left: auto;
    margin-right: auto;
    padding: 10px;
    border: 0px solid black;
    border-spacing: 2px;
}

td.title {
    text-align: center;
    vertical-align: middle;
}

table.form {
    text-align: left;
    padding: 10px;
}

.btn_menu {
  display: inline-block;
  padding: 12px 20px;
  background-color: #A00080;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 1.2em;
}

.btn_menu:hover {
  background-color: #700060;
}

.btn_page {
  display: inline-block;
  padding: 9px 15px;
  background-color: #0080ff;
  color: white;
  text-decoration: none;
  border-radius: 6px;
  font-weight: bold;
  font-size: 1.2em;
}

.btn_page:hover {
  background-color: #0060b0;
}

.button {
  display: inline-block;
  padding: 9px 15px;
  background-color: #d0d0d0;
  text-decoration: none;
  border-radius: 12px;
  font-weight: bold;
  font-size: 1.0em;
}

.step {
  display: inline-block;
  padding: 9px 15px;
  background-color: #e0e000;
  text-decoration: none;
  border-radius: 12px;
  font-size: 1.2em;
}

.formula {
  display: inline-block;
  padding: 10px 30px;
  background-color: #e0e000;
  text-decoration: none;
  border-radius: 24px;
  font-size: 1.0em;
}

.bloc {
  display: flex;
  gap: 20px;
}

@media (max-width: 1200px) {
  .bloc {
    flex-direction: column;
  }
}

@media (min-width: 1201px) {
  .bloc {
    flex-direction: row;
  }
}