section#sectionslider {
    width: 100%;
}
.newslider {
    width: 100%;
    overflow: hidden;
    position: relative;
    height: 390px;
}

.newslide {
    width: 100%; 
    display: none;
    position: absolute;
    top: 0;
    left: 0;
}
/* Estilização dos botões */
#prevBtn, #nextBtn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background-color: transparent;
    cursor: pointer;
    border: none;
}

#prevBtn {
    left: 10px;
}

#nextBtn {
    right: 10px;
}

.newslide.active {
    display: block;
}