.box1 {  
        width: 400px;
        padding: 10px;
        border: 4px double black;
        margin: 30px;
        background-color: #fae588;
        }

.box2 {
        width: 400px;
        padding: 30px;
        border: 5px ridge black;
        margin: 50px;
        background-color: #ffd3a5;
}

#box3 {
        width: 400px;
        padding: 5px;
        border: 5px inset black;
        margin: 50px;
}

.box4 {
        width: 400px;
        padding: 30px;
        border: 5px ridge black;
        margin: 50px;
        background-color: #ffd3a5;
        box-sizing: border-box;
}