#grille {  display: flex;  flex-wrap: wrap;  justify-content: center;  gap: 30px; /* espace entre les cartes */  width: auto;  max-width: 425px;  margin: 0 auto;}.case {  width: 121px;  height: 169px;}#btvalid {  display: none;  margin-top: 20px;  padding: 12px 34px;  font-size: 1rem;  background-color: #012425;  color: white;  border: none;  border-radius: 35px;  cursor: pointer;  width: 207px;}@media screen and (max-width: 1580px) {  #grille {    width: 350px;    height: auto;    gap: 40px;  }  .case {    width: 90px;    height: 125px;  }    #btvalid {    width: 185px;  }}@media screen and (max-width: 1500px) {  #grille {    width: 325px;    height: auto;  }  .case {    width: 80px;    height: 111px;  }  #btvalid {    width: 185px !important;  }}@media screen and (max-width: 700px) {  #grille {    width: 270px;    height: auto;  }  .case {    width: 80px;    height: 100px;  }  }