.txt-mas
{
    @include outer-container;
    
    margin-bottom: 50px;
    margin-top:    50px;
    
    p
    {
        @include span-columns(8);
        @include shift(2);
        
        text-align: center;
    }
}

@include tablet-landscape-and-below
{
    .txt-mas
    {
        p
        {
            @include span-columns(10);
            @include shift(1);
        }
    }
}