body {
    background: #1a1a1a;
}
h1 {
    margin: 0;
    padding: 0;
    height: 100px;
    background: transparent url(../images/logo.svg) center center no-repeat;
    text-indent: 100%;
    overflow: hidden;
    font-size: 1px;
    color: transparent;
}
.container {
    max-width: 350px;
    margin: 100px auto;
}
img {
    margin-top: 50px;
    width: 100%;
    height: auto;
    display: block;
}