.head-link {
    display: block;
}

@media (min-width: 990px)  {
    body {  
        background: url(../../img/background/bg-slodziaki_new.jpg) no-repeat center top fixed;
        background-color: #fff;
    }
}

@media (min-width: 660px) and (max-width: 989px) {
    body {  
        background: #fff url(../../img/background/bg-slodziaki_new-max-989.jpg) no-repeat center top fixed;    
    }
    .head-link {
        display: none;
    }
    
}

@media (max-width: 659px) {
    body {  
        background: #fff url(../../img/background/bg-slodziaki_new-max-989.jpg) no-repeat center top fixed;    
    }
    .head-link {
        display: none;
    }
}