.slide-1 { 
    position: relative; 
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../img/slideshow/slide1.jpg');
    background-size: cover;
}

.slide-1::before {
    content: "";
    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    background-color: rgba(0, 71, 150, 0.5);
}

.slide-2 { 
    position: relative; 
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../img/slideshow/slide2.jpg');
    background-size: cover;
}

.slide-2::before {
    content: "";
    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    background-color: rgba(0, 71, 150, 0.5);
}

.slide-3 { 
    position: relative; 
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../img/slideshow/slide3.jpg');
    background-size: cover;
}

.slide-3::before {
    content: "";
    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    background-color: rgba(0, 71, 150, 0.5);
}

.slide-4 { 
    position: relative; 
    height: 100%;
    width: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('../img/slideshow/slide4.jpg');
    background-size: cover;
}

.slide-4::before {
    content: "";
    position: absolute;
    top: 0px;
    right: 0px;
    bottom: 0px;
    left: 0px;
    background-color: rgba(0, 71, 150, 0.5);
}