.back {
				background: black;
				width: 100%;
				color: #CFCFCF;

			}

			.jj {

				height: 200px;
			}

			.carouselsss {
				margin-top: 50px;
			}
			@media all and (max-width: 500px) {
			  .jjj {
			  				width: 100%
			  			}
			}
			@media all and (min-width: 500px) {
			  .carousel-inner > .item > img {
			  position: absolute;
			  top: 0;
			  left: 0;
			  min-width: 100%;
			  height: 700px;
			  }
			  .carousel .item {
			  height: 700px;
			  background-color: #777;
			  }
			}