DIV.fit
  {
  position:relative;
  padding-top:100%;    /* 1:1 Aspect Ratio */
  
  }

DIV.fit img
  {
  position:absolute;
  top:0;
  left:0;
  height:100%;
  width:100%;
  object-fit: cover;  /* adaptation contenu a son parent */
  }
  
INPUT.qte
  {
  display: inline-block;
  width:40px !important;
  text-align:center;
  }
  
SPAN.error_qte_dispo
  {
  display:block;
  color:#ff0000;
  font-size:13px;
  }
  
.qte_grey
    {
    background-color:#efefef;
    margin-top:5px;
    }