.contenedor-slider {
  margin: auto;
  width: 95%;
  max-width: 1100px;
  position: relative;
  overflow: hidden;
}

.slider {
  display: flex;
  width: 500%;
}

.slider__section {
  width: 100%;
}

.slider__img {
    display: block;
    width: 100%;
    height: 100%;
}

.btn-prev, .btn-next {
    width: 40px;
    height: 40px;
	background: -webkit-linear-gradient(to top left, rgba(0,0,0,.5), #37417f, rgba(0,0,0,.5)); 
    background: linear-gradient(to top left, rgba(0,0,0,.5), #37417f, rgba(0,0,0,.5));
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    line-height: 37.5px;
    font-size: 30px;
    font-weight: bold;
    text-align: center;
    border-radius: 20%;
    font-family: monospace;
    cursor: pointer;
    border: .5px solid rgba(255,255,255,.5)
}

.btn-prev:hover, .btn-next:hover {
    background: -webkit-linear-gradient(to bottom, rgba(82,106,160,.5), rgba(0,0,0,.75), rgba(82,106,160,.5));
    background: linear-gradient(to bottom, rgba(82,106,160,.5), rgba(0,0,0,.75), rgba(82,106,160,.5));
    color: white;
}

.btn-prev {
  left: 1.5rem;
}

.btn-next {
  right: 1.5rem;
}

@media (max-width: 599px){
    .contenedor-slider {
      width: 100%;
    }
    .btn-prev {
      display: none;
    }
    .btn-next {
      display: none;
    }
}

@media (max-width: 767px) and (min-width: 600px){
    .btn-prev, .btn-next {
        width: 30px;
        height: 30px;
        line-height: 30px;
        font-size: 20px;
    }
    .btn-prev {
        left: .5rem;
    }
    .btn-next {
        right: .5rem;
    }
}

@media (max-width: 950px) and (min-width: 768px){
    .btn-prev, .btn-next {
        width: 35px;
        height: 35px;
        line-height: 30px;
        font-size: 30px;
    }
    .btn-prev {
        left: .75rem;
    }
    .btn-next {
        right: .75rem;
    }
}

@media (max-width: 1199px) and (min-width: 951px){
    .btn-prev, .btn-next {
        width: 37.5px;
        height: 37.5px;
        line-height: 32.5px;
        font-size: 32.5px;
    }
    .btn-prev {
        left: 1rem;
    }
    .btn-next {
        right: 1rem;
    }
}