.contenedornuevo{
	width: 80%;
	position: relative;
	height: 780px;

}

.contenedornuevo img{
	width: 60%;
	height: 60%;

}
.botones{
	font-size: 30px;
	width: 70px;
	height: 70px;

	border-radius: 50px;
	background-color: rgba(0,0,0,.7);
	text-align: center;
	font-weight: bold;
	position: absolute;
	color: #fff;
	box-shadow: 0 0 10px rgba(255,255,255,.6);
	-webkit-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease;

}
.botones:hover{
	cursor:pointer;
	transform: scale(1.2,1.2);
}
.atras{
	left: 2px;
	top: calc(35% - 70px);
}
.adelante{
	right:  2px;
	top: calc(35% - 70px);
}
.abajo{
	right:  2px;
	top: calc(35% - 70px);
}
@media screen and (min-width: 360px) and (max-width: 740px) { 
.contenedornuevo img{
  width: 100%;
  height: 60%;
}
}

@media screen and (min-width: 360px) and (max-width: 740px) { 
.botones{
  font-size: 20px;
	width: 40px;
	height: 40px;
	margin-top: 390px;
	border-radius: 50px;
	background-color: rgba(0,0,0,.7);
	text-align: center;
	font-weight: bold;
	position: absolute;
	color: #fff;
	box-shadow: 0 0 10px rgba(255,255,255,.6);
	-webkit-transition: all .3s ease;
	-o-transition: all .3s ease;
	transition: all .3s ease;
}
}