*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body::before {
    display: block;
    content: '';
    height: 50px;
}

.navbar{
    background-color: yellow;
}

.nav-item{
    font-weight: bold;
}

.nav-link:hover{
    color: red;
}

#home{
    background: url(image/ersab-bg-img.png) center no-repeat;
    background-size: cover;
}

#homeText{
    color: yellow;
    font-weight: bold;
    text-shadow: 5px 5px 5px black;
}

#services{
    background: yellow;
}

#about{
    background: url(image/background-1.jpg) center no-repeat;
    background-size: cover;
    background-attachment: fixed;
}

#contactUs{
    background: linear-gradient(to top, white, yellow);
}