main{
}

nav{
    background-color: rgb(0, 145, 191);
}

section{
    padding: 126px 0;
}

.slider{
    background-image: url('../image/slider.jpg');
    background-position: center;
    background-size: cover;
    height: 80vh;
    position: relative;
}

.slider::before{
    background: rgb(94,94,94);
    background: linear-gradient(0deg, rgba(94,94,94,.5) 0%, rgba(255,255,255,0) 100%);
    width: 100%;
    content: " ";
    position: absolute;
    top: 0;
    height: 80vh;
}