* {
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

body,
div,
html {
    margin: 0;
    padding: 0
}

img {
    vertical-align: top
}

body,
html {
    width: 100%;
    height: 100%
}

body {
    position: relative;
    font-family: -apple-system, Roboto, Helvetica Neue, Trebuchet MS, sans-serif;
    font-size: 100%
}

.wrapper {
    position: absolute;
    display: block;
    text-align: center;
    left: 0;
    right: 0;
    bottom: 50%
}

@media only screen and (max-width: 600px) {
    .wrapper {
        bottom: 30%;
    }
}