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

.contenair{
    width: 100%;
    height: 100vh;
    position: relative;
    padding: 0 5%;
    display: flex;
    align-items: center;
    justify-content: center;
}

nav{
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    padding: 20px 8%;
    display: flex;
    align-items: center;
    justify-content:space-between;
}

nav .logo{
    width: 120px;
    padding-left: 0px;
}

nav ul li{
    list-style: none;
    display: inline-block;
    margin-left: 40px;
}

nav ul li a{
    text-decoration: none;
    color: white;
    font-size: 22px;
}

.video{
    position: absolute;
    right: 0;
    bottom: 0;
    z-index: -1;
}

table {
    border-collapse: separate;
    width: 100%;
}

.valeur {
    color: aqua;
}

.resultat {
    color: aqua;
}

thead {
    background-color: #ddd;
}
  
th,
td {
    padding: 8px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}
  
th {
    font-weight: bold;
}
  
select,
input[type="number"],
button {
    padding: 8px;
    font-size: 16px;
    border: 1px solid #ddd;
    border-radius: 4px;
    margin-bottom: 8px;
}
  
button {
    background-color: #4CAF50;
    color: white;
}
  
button:hover {
    background-color: #3e8e41;
}
  
.resultat {
    font-weight: bold;
    font-size: 24px;
    margin-top: 16px;
    align-items: center;
    justify-content: center;
}

.tableau{
    background-color: rgb(255, 255, 255);
    border: 2px solid #D50356;
    padding: 10px;
    border-radius: 25px;
}

div{
    display: grid;
}