style.css

.conteneur{
    background: #F5DEC1;
    width: 100%;
    height: auto;
    }
    .buttom1{
        color: #fff;
        display: block;
        width: 400px!important;
        height: 59px;
        outline: none;
        font-size: 30px;
        font-weight: bold;
        border-radius: 20px;
        flex-wrap: nowrap;
        background:white;
        border:none;
        color:black;
        margin-left: 35%;
      }  
      .conteneur-top1{
        padding-top: 2%;
      }
      h4{
        text-align: center;
        margin-top: 3%;
        margin-right: 37%;
        font-size: 22px;
      }
      a{
        text-decoration: none;
      }
      *, ::before, ::after{
        box-sizing: border-box;
        margin: 0;
        padding: 0;
      }
      body{
        font-family: Arial, Helvetica, sans-serif;
      }
      .tableau-style{
        border-collapse:collapse ;
        min-width: 400px;
        width: auto;
        box-shadow: 0 5px 50px rgba(0,0,0,0.15);
        cursor: pointer;
        margin: 100px auto;
        border: 2px solid black;
        margin-top: 2%;
      }
      thead tr{
        text-align: center;
        background-color: #C2956E;
      }
      th, tr{
        padding: 15px 20px;
      }
      tbody tr, td, th{
        border: 1px solid grey;
      }
      tbody tr:nth-child(even){
        background-color: #E5D1B8;
      }
      .voir{
        color: darkgrey;
      }