body {
    background-color: #e6f2ff;
    font-family: Arial, sans-serif;
}


.box1 {
    width: 400px;
    padding: 10px;
    border: 3px solid lightpink;
    margin: 30px;
    background-color: #cce0ff;
}


.box2 {
    background-color: #ffd9cc;
    padding: 30px;
    margin: 50px;
    width: 400px;
    border: 4px dashed indigo;
}


.box3 {
    padding: 5px;
    margin: 50px;
    width: 400px;
    border: 5px ridge purple;
}

.box4 {
    background-color: #ffd9cc;
    padding: 30px;
    margin: 50px;
    width: 400px;
    border: 4px dashed indigo;
    box-sizing: border-box;
}