*{
    margin:0;
    padding:0;
    box-sizing: border-box;
}
body{
    text-align:center;
}

.colorbackground{
  background-color: black;
}

.about-us{
    font-weight:bold;
    text-align:center;
    margin: auto;
    color:rgb(7, 28, 48); 
    opacity:0.7;
}

.index-image{
    background-image: url('../images/doctor.jpg');
    background-size: cover;
    height:180px;
    margin-top:50px;
}

.image-div{
    color:rgb(238, 217, 26);
    position:relative;
    background-image: url('../images/Healthcare.jpg');
    background-size: cover;
}

.content{
    width:88%;
    height:100%;
    position: relative;
    margin:50px auto;
    /* border: 1px solid black; */
    border-radius: 6px;
    /* box-shadow: 0 0 10px 3px ;   */
}

.aboutus-content{
    text-align: left;  
    margin: 10px 25px ;
    padding-bottom:20px;
}

.carousel-item h3,p{
    color:black;
    opacity:0.9;
} 


.carousel-item img{
    width: 100%; 
    height: 500px;
    color: burlywood;
    opacity:0.;
}

footer{
     background-color: rgb(27, 23, 23);
     color:white;
     margin-top: 50px;
     padding:20px 0;
     text-align:center; 
     font-size:18px;
}

a {
    text-decoration: none;
    color: white;
}

a:hover{
    text-decoration: none;
    color: gray;
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
}

.nav-item{
    color: white;
}

@media(max-width: 300px){
    .carousel-item img{
        width: 100%; 
        height: 200px;
    }
}

@media(max-width: 500px){
    .carousel-item img{
        width: 100%; 
        height: 350px;
    }
}