#mgl_popup {
position: fixed;
top: 0;
left: 0;
width: 100%;
height: 100%;
background: rgba(0,0,0,0.5);
display: flex;
justify-content: center;
align-items: center;
z-index: 9999;
}
#mgl_popup.masque {
display: none;
} #mgl_popup .main {
position: relative;
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
} #mgl_popup .contenu {
position: relative;
background: #fff;
padding: 1.8rem 2rem;
width: 80%;
max-width: 720px;
max-height: 80vh;
border-radius: 1.2rem;
overflow: auto;
box-shadow: 0 4px 12px rgba(0,0,0,0.2);
} #mgl_popup .btn_fermer {
position: absolute;
top: 0;
right: calc(10% + 8px);
z-index: 22;
width: 32px;
height: 32px;
background: transparent;
border: none;
cursor: pointer;
font-size: 1.8rem; 
padding: 0;
margin: 0;
} #mgl_popup .contenu h2 {
margin-top: 0;
margin-bottom: 1rem;
}