h1{ 
  color: red;
  text-align: center;
  margin: auto;
  margin-bottom: 10px;
}

table{
  border: 6px solid blue;
  border-collapse: collapse;
  background-color: Gold;
  margin: auto;
}

td{
  border: 2px solid black;
  position: relative;
  width: 20vh;
  height: 20vh;
  text-align: center;
  font-size: 4em;
  font-family: Sans-serif;
  font-weight: bold;
}

.score{
  color: red;
  display: inline-block;
  width: 19%;
  vertical-align: top;
  text-align:center;
}
  
td:hover{
  background-color: LightCoral; 
}

input:hover{
  opacity:  0.7;
  cursor: pointer;
}

#jeu{
  width: 110vh;  
  height: 94vh;
  background-color: Lavender;
  margin: auto;
  display: inline-block;
  vertical-align: top;
}

body{
  background-color: black;
  padding: 0;
}

#restart input{
  font-size: 3em;
  background-color:red;
  text-align: center;
  margin-left: 40%;
}

table input{
  width: 99%;
  height: 99%;
  margin: 0px;
  opacity: 0;
  /*pour que les bouton soit invisible*/
  background: transparent;
  border: none ;
}

#message{
  text-align: center;
  font-size: 2em;
}

/* pour la bar*/
body {
  margin: 0;
  font-family: Arial, Helvetica, sans-serif;
}

.topnav {
  overflow: hidden;
  background-color: #333;
}

.topnav a {
  float: left;
  color: #f2f2f2;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: 17px;
}

.topnav a:hover {
  background-color: #ddd;
  color: black;
}

.topnav a.active {
  background-color: #10c0f1;
  color: white;
}