body {
    margin: 0;
    text-align: center;
    background: #fdfdfd;
}
p{
    background:rgba(216, 31, 50, 0.75);
    color:#fff; margin:0;padding:8px;
    font-weight:bold
}
img {
    width: 100%;
    max-width: 1520px;
    margin: 0 auto;
}

.sp img {
    width: 100%;
    max-width: 480px;
    margin: 0 auto;
}   

@media screen and (max-width: 480px) {
    p{
        font-size: 11px;
    }
}