body, html {
    color: #fff;
    display: block;
    font-family: 'Noto Sans', sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 16px;
    margin: 0;
    width: 100%;
    min-width: 320px;
    height: 100%;
    position: relative;
    -webkit-text-size-adjust: 100%;

    background-color: #269;
    background-image:
      linear-gradient(rgba(255,255,255,.28) 2px, transparent 2px),
      linear-gradient(90deg, rgba(255,255,255,.28) 2px, transparent 2px),
      linear-gradient(rgba(255,255,255,.14) 1px, transparent 1px),
      linear-gradient(90deg, rgba(255,255,255,.14) 1px, transparent 1px);
    background-size: 100px 100px, 100px 100px, 20px 20px, 20px 20px;
    background-position: -2px -2px, -2px -2px, -1px -1px, -1px -1px;
}

h1, h2, h3, h4, h5, h6 {
    color: #fff;
    font-family: 'Noto Serif', serif;;
    font-weight: 500;
    font-style: normal;
    margin: 0;
}

.content {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

h2 {
    line-height: 130%;
    font-size: 2.5rem;
    text-align: center;
}

.logo {
    margin: 1em;
}

.logo h1 {
    display: inline-block;
    font-size: 1.25rem;
}

.btn {
    display: table;
    font-size: 1rem;
    position: relative;
    text-decoration: none;
    z-index: 1;
    background-color: transparent;
    border: 1px solid;
    border-color: #fff;
    border-radius: 4rem;
    color: #fff;
    line-height: 1.625rem;
    padding: .25rem 1.25rem .438rem 1.25rem;
    text-align: center;
    margin: 0 auto;
}

.btn[href] {
    cursor: pointer;
}