.slide {
            display: flex;
            align-items: center;
            justify-content: center;
            background-size: cover;
            background-position: center center;
        }
        .one {
            background-color: tomato;
            background-image: url(../images/index/service-1.jpg);
        }
        .two {
            background-color: tomato;
            background-image: url(../images/index/service-2.jpg);
        }
        .three {
            background-color: tomato;
            background-image: url(../images/index/service-3.JPG);
        }@media screen and (max-width: 768px) {
			.one {
				background-color: tomato;
				background-image: url(../images/index/small/service-1.jpg);
			}
			.two {
				background-color: tomato;
				background-image: url(../images/index/small/service-2.jpg);
			}
			.three {
				background-color: tomato;
				background-image: url(../images/index/service-3.JPG);
			}}