/* STYLE DE BLOCAGE DE SELECTION */
html
{
  -webkit-touch-callout: none; /* iOS Safari */
  -webkit-user-select: none; /* Safari */
  -khtml-user-select: none; /* Konqueror HTML */
  -moz-user-select: none; /* Old versions of Firefox */
  -ms-user-select: none; /* Internet Explorer/Edge */
  user-select: none; /* Non-prefixed version  */
}
/* STYLE DE BLOCAGE DE PAGE */
.blur 
{
    filter: blur(2px);
    pointer-events: none;
    user-select: none;
}