.container-slider {
  position: relative;
  width: 100%;  
  margin: auto;
  overflow: hidden;
  margin-bottom: 100px;
}
.slider-1,.slider-2,.slider-3,.slider-4,.slider-5,
.slider-6,.slider-7,.slider-8,.slider-9,.slider-10 {
  display: flex;
  margin-left: -100%;
}
.slider-1 { width: 100%; }
.slider-2 { width: 200%; }
.slider-3 { width: 300%; }
.slider-4 { width: 400%; }
.slider-5 { width: 500%; }
.slider-6 { width: 600%; }
.slider-7 { width: 700%; }
.slider-8 { width: 800%; }
.slider-9 { width: 900%; }
.slider-10 { width: 1000%; }
.slider__section { width: 100%; }
.slider__img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.slider__btn {
  position: absolute;
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.7);
  top: 50%;
  transform: translateY(-50%);
  font-size: 30px;
  font-weight: bold;
  font-family: monospace;
  text-align: center;
  border-radius: 50%;
  cursor: pointer;
}
.slider__btn:hover {
  background: #fff;
}
.slider__btn--left {
  left: 10px;
}
.slider__btn--right {
  right: 10px;
}
@media (max-width: 576px) {
  .container-slider {
    margin-bottom: 115px;
  }
}
@media (max-width: 768px) {
  .slider__btn {
    width: 40px;
    height: 40px;
    font-size: 30px;
  }  
  .slider__btn--left  { left: 0px; }
  .slider__btn--right { right: 0px; }
}