.popup{
     padding: 0;
    margin: 0;
    box-sizing: border-box;
    background-color: #ffffff;
    width: 450px;
    padding: 30px 40px;
    position: absolute;
    transform: translate(-50%,-50%);
    left: 50%;
    top: 50%;
    border-radius: 8px;
    font-family: "Poppins",sans-serif;
    display: none;
    text-align: center;
}
.popup button{

    display: block;
    margin:  0 0 20px auto;
    background-color: transparent;
    font-size: 30px;
    color: #c5c5c5;
    border: none;
    outline: none;
    cursor: pointer;
}
.popup p{
     padding: 0;
    margin: 0;
    box-sizing: border-box;
    font-size: 14px;
    text-align: justify;
    margin: 20px 0;
    line-height: 25px;
}

.accueil-serta-stock{

display: inline;
width: 120px;

}

.accueil-serta-stock2 {

display: inline-block;
width: 300px;
padding-top: 39px;

}


.btaccserta {

 padding: 17px;
 display: inline-block;
 margin-top: 5px;
 font-size: 16px;
 background: #25588c!important;
 color: #fff;
}

.btaccserta a{
font-size: 16px;
 color: #fff;

}


@media screen and (max-width: 600px) {
   
.accueil-serta-stock{
  display: none !important;
}

.accueil-serta-stock2 {


padding-top: 5px;
}