.image_picker 
{
    display:block;
    max-width:100%;
    border:2px dashed #b8c2cc;
    border-radius:14px;
    background: linear-gradient(180deg, #fafbfc, #f1f3f6);
    cursor:pointer;
    transition: all .2s ease;
    margin: 0 auto; 
}


.image_picker:hover 
{
    border-color:#4a90e2;
    background: linear-gradient(180deg, #f5f9ff, #eaf2ff);
    box-shadow: 0 4px 14px rgba(0,0,0,.06);
}