.footer--background{
    background:linear-gradient(to right, #1c3846 60%, #1f5271 );

} 

.footer--shadow{
    filter: drop-shadow(2px, 4px, 6px, white);
    -webkit-filter: drop-shadow(2px, 4px, 6px, white);
}

footer div{
    
    align-content: center;
}
footer a{
    font-size: 1rem;
    text-decoration: none;
    color: gray;
    transition: .3 all;
}

footer a:hover{
    
    color:white;
    transition: .5 all;

}