.promo>.container{margin:0;width:100%;padding:0 20px}

.promo_content{display:-ms-flexbox;display:flex;width:504px;
    height:504px;background-color:#202022;
    -webkit-clip-path:polygon(0 50%,50% 0,100% 50%,50% 100%);
    clip-path:polygon(0 50%,50% 0,100% 50%,50% 100%)}

.prom_align{width:60%;margin:auto}