body {
    background-color: lightgray;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
    background-color: #fff;
}

h1{
    text-align:center;
}

img {
    width: 150px;
    height: auto;
    display: block;
    margin: 0 auto;
}