:root{
    --bordeSlider: #0c1637;
}

.container-slider{
    display: block;
    width: 95%;
    max-width: 100%;
    margin: 5px auto auto auto;
    overflow: hidden;
    box-shadow: 0 0 0 5px var(--bordeSlider), 0 5px 50px;
    position: relative;
}
.slider{
    display:flex;
    width: 400%;
    height: 320px;
    margin-left: -100%;
}
.slider__section{
    width: 100%;
}
    
.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;
    display: none;
}
.slider__btn:hover{
    background: #fff;
}
.slider__btn--right{
    right: 10px;
    line-height: 40px;
    color: var(--bordeSlider);
    display: none;
}
.slider__btn--left{
    left: 10px;
    line-height: 40px;
    color: var(--bordeSlider);
    display: none;
}