body{
    color: white;
    background-color: black;
    font-family: Verdana, Tahoma, sans-serif;
    font-size: 18px;
}
nav{
    box-sizing: border-box;
    height: 100%;
    width: 200px;
    position: fixed;
    top: 0;
    left: 0; 
    padding: 0 4px;
    background-color: rgb(150, 150, 150);   
}
nav ul{
    list-style: none;
    padding: 0;
}
nav a{
    text-decoration: none;
    color:white;
    padding: 12px 4px;
    display: block;
}
nav a:hover{
    font-size: 20px;
    color:bisque;
}
main{
    margin-left: 200px;
}
.image{
    border-radius: 6px;
    /*box-shadow: 4px 4px 10px gray;*/
}
.image:hover{
    box-shadow: 4px 4px 10px rgb(100, 100, 100);
}

.w-450{
    width: 450px;
}
@media screen and (max-width: 768px){
    .w-450{
        width: 100%;
    }
}
@media screen and (max-width: 480px){
    nav{
        width: 100%;
        height: 200px;
        padding: 10px 12px;
    }
    nav ul{
        margin:0;
    }
    main{
        margin-left: 0;;
        margin-top: 200px;
    }
    nav li, nav a {
        display: inline-block;
    }


}