:root {
    --primary-color: #6090c4;
    --primary-color-lighted: #80b0e4;
    --primary-color-darked: #4070a4;
    --secondary-color: #0e0;
    --page-width_:1350px;
    --page-width:1280px;

    --rmn:1024px;
    --rmw:686px;
}

.but_up{display:none;cursor:pointer;position:fixed;right:20px;bottom:20px;border:2px solid #fffa;border-radius:50%;width:40px;height:40px;line-height:40px;background-color:var(--primary-color);color:white;text-align:center;}

.mpage{margin:0 auto;width:var(--page-width);}


@media screen and (max-width:1150px){
    .mpage{width:auto;}
}

@media screen and (max-width:500px){
    
}