body {
  background-color: #2a303d;
  color: #fff;
}

h1 {
  margin: 1em 0;
  text-align: center;
  font-size: 1.75em;
  font-family: 'Bungee Spice', cursive;
}

.presentation {
  text-align: center;
}

.grille {
  display: flex;
  flex-direction: column;
  align-items: center;
}

.grille__sudoku input {
  border: none;
  text-align: center;
  width: 2.1em;
  height: 2.1em;
  padding: 0.5em;
}

.grille__sudoku table {
  border-collapse: collapse;
  border: 3px solid #000;
}

.grille__sudoku table td {
  border: 1px solid #000;
}

.grille__sudoku table td.borderRightCol {
  border-right: 3px solid #000;
}

.grille__sudoku table td.borderBottomCol {
  border-bottom: 3px solid #000;
}

.grille__sudoku table td.blue input {
  background: #c0dfef;
}

.grille {
  text-align: center;
}

.grille__sudoku {
  display: inline-block;
  margin-bottom: 1em;
}

.grille__alert {
  display: inline-block;
  margin-bottom: 1em;
  border-radius: 10px;
  line-height: 0.5em;
}

.grille__alert p {
  padding: 0.75em;
  margin: 0;
  font-weight: bold;
  font-family: 'Rajdhani', sans-serif;
}

.grille__alert--success {
  background-color: #d1e7dd;
  color: #769270;
}

.grille__alert--warning {
  background-color: #f8d7da;
  color: #a35954;
}

.grille__button input {
  width: 10em;
  border-radius: 8px;
  border: 0;
  color: #fff;
  padding: 0.6em 1em;
  cursor: pointer;
  font-family: 'Roboto Condensed', sans-serif;
  font-weight: 800;
}

.button__resolve {
  background-color: green;
}

.button__reset {
  background-color: red;
}

@media screen and (max-width: 599px) {
  .grille__button input {
    display: flex;
    flex-direction: column;
  }

  .button__resolve {
    margin-bottom: 0.5em;
  }
}

@media screen and (min-width: 600px) {
  .button__resolve {
    margin-right: 0.5em;
  }
}