html {
    height: 100%;
    box-sizing: border-box;
}

*,
*:before,
*:after {
    box-sizing: inherit;
}

body {
    position: relative;
    margin: 0;
    padding-bottom: 6rem;
    min-height: 100%;
    font-family: "Helvetica Neue", Arial, sans-serif;
}

.wrapper {
    margin: 0 auto;
    padding-top: 64px;
    max-width: 640px;
    width: 94%;
}

.footer {
    position: absolute;
    right: 0;
    bottom: 0;
    left: 0;
    padding: 1rem;
    background-color: #efefef;
    text-align: center;
}