body{
    background-color: var(--color-black-default);
}

article.content_main{
    width: calc(100% - 320px);
    margin-left: 320px;
    padding: 40px;
}

section.section_page{
    margin-top: 40px;
}

@media screen and (max-width: 1024px){
    article.content_main{
        width: 100%;
        margin-left: 0px;
        padding: 20px;
    }
}