#Lecture,#Lecture2{
    background-color: transparent !important;
}


.carousel-inner{
    background: url(../img/d02-3.png) center/cover no-repeat;
    width: 75%;
    margin: 0 auto;
}
.inner2{
    background: url(../img/d02-4.png) center/cover no-repeat;
    width: 75%;
    margin: 0 auto;
}
.carousel-inner img {
    width: 100%;
    height: 100%;
  }
  .carousel-control-next, .carousel-control-prev {
    top: 50% !important;
    height: 50px !important;
}
.carousel-control-prev {
    left: -4em !important;
}
.carousel-control-next {
    right: -4em !important;
}
.carousel-control-next-icon {
    background-image: url(../img/next.png) !important;
}
.carousel-control-prev-icon {
    background-image: url(../img/prev.png) !important;
}
.next2 {
    background-image: url(../img/next2.png) !important;
}
.prev2 {
    background-image: url(../img/prev2.png) !important;
}

.carousel-control-next-icon, .carousel-control-prev-icon {
    width: 57px !important;
    height: 64px !important;
}
@media all and (max-width:1280px) {
    .carousel-inner{width: 80% !important;}
    .carousel-control-prev {
        left: 0em !important;
        width: 10% !important;
    }
    .carousel-control-next {
        right: 0em !important;
        width: 10% !important;
    }
}
@media all and (max-width:425px) {
    .carousel-control-next-icon, .carousel-control-prev-icon {
        width: 24px !important;
        height: 30px !important;
    }
}