p {
    color: blue;
}

html {
    background-color: #E6E6E6;
}

h1 {
    margin: 0;
    padding: 20px 0;
    color: #00539F;
    text-shadow: 3px 3px 1px grey;
}

body {
    width: 600px;
    /*width: 100%;*/
    margin: 0 auto;
    /*margin: 10px 180px 10px 180px;*/
    /*margin: 上,右,下,左;*/
    background-color: #FFCCEB;
    padding: 0 20px 20px 20px;
    border: 3px solid grey;
}

img {
    display: block;
    margin: 0 auto;
}