.block-space .inner-block .hd-space,
.block-space .inner-block .md-space,
.block-space .inner-block .sm-space
{
    width: 100%;
}

.block-space .inner-block .md-space,
.block-space .inner-block .sm-space{
    display: none;
}


    @media only screen and (max-width: 1440px) {
        .block-space .inner-block .hd-space{
            display: none;
        }
        .block-space .inner-block .md-space{
            display: block;
        }
    }

    @media only screen and (max-width: 550px) {  
        .block-space .inner-block .md-space{
            display: none;
        }
        .block-space .inner-block .sm-space{
            display: block;
        }
    }