#sectionBox {
  position: relative;
  top: 80px;
}
#sectionBox section {
  position: relative;
  height: 500px;
  width: 100%;
}

#sectionBox section:hover .btnx {
  opacity: 1;
}

#sectionBox #img {
  height: 100%;
  width: 100%;
  background-size: 100% 100%;
}

#sectionBox p {
  position: absolute;
  left: 50%;
  bottom: 0px;
  transform: translate(-50%, -50%);
}

#sectionBox i {
  height: 10px;
  width: 10px;
  background-color: gray;
  border-radius: 50%;
  display: inline-block;
  margin-right: 10px;
}

#sectionBox i:nth-child(1) {
  background-color: white;
}

#sectionBox i:nth-child(4) {
  margin-right: 0;
}

#sectionBox .left,
#sectionBox .right {
  color: rgba(255, 255, 255, 0.7);
  font-size: 30px;
  font-weight: bolder;
  position: absolute;
  top: 50%;
  font-weight: 500;
}

#sectionBox .left {
  left: 0px;
  transform: translate(0%, -50%);
}

#sectionBox .right {
  right: 0px;
  transform: translate(0%, -50%);
}
#sectionBox .btnx {
  cursor: pointer;
  padding: 5px;
  background-color: #131c3d;
  height: 50px;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
}