.content_left {
    width: 30%;
    margin:  0;
    float:  left;
    overflow:  hidden;
}

.content_right {
    width: 70%;
    float:  left;
    overflow:  hidden;
    text-align:  center;
    background: #fff;
}

.main_content {
    overflow:  hidden;
}

@media screen and (max-width: 960px) {
	.content_left {
		width: 100%;
	}
	.content_right {
		width: 94%;
		padding: 2%;
	}
}