.pa_intro {
   	box-shadow: 0 0 9px 0 rgba(0, 0, 0, 0.3);
    float: right;
    padding: 15px;
    width: 650px;
    margin-bottom: 40px;
}

@media screen and (max-width: 1050px) { 
	.pa_intro {
		width: 100%;
	}
}