*{margin: 0;
padding: 0;}

#nav{
    background-color: rgba(0, 0, 0, 0.692);
    display: flex;
   justify-content: space-evenly;
    align-items: center; 
    height: 100px; 
    border-bottom: solid 2px white;  
    flex-direction: column;

}

body {
    background-image: url('bg2.jpg');
    background-size: 100%;
}

h1{
    color: rgb(236, 253, 1);
    text-align: center;
    text-shadow: 4px 4px 8px red; 
    
}

#container{
    margin-top:30px ;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-evenly;
    align-items: center; 
    height: 800px;
    width: 600px;  
    
   
}

.big{
    display: flex;
    justify-content: center;
    align-items: center;
}

.first{
    border: solid 2px red;
    border-radius: 30px;
    height: 200px;
    width: 200px;
    overflow: hidden;
    }

.boximg{
    height: 200px;
    width: 200px;
    object-fit: cover;
    overflow: hidden;
}  
.second{
    margin-left: 100px;
    margin-right: 100px;
    border: solid 2px red;
    height: 200px;
    width: 200px;
    border-radius: 50%;
    overflow: hidden;
}

#nav2{
    color: white;
    font-size: 20px;
}

@media ( max-width: 768px) {
    #container{
        height: 400px;
        width: 300px;
    }
    .first{
        height: 100px;
        width: 100px;
    }
    .boximg{
        height: 100px;
        width: 100px;
    }
    .second{
        margin-left: 50px;
        margin-right: 50px;
        height: 100px;
        width: 100px;
    }
}