body {
    height: 100vh;
    margin: 0;
    font-family: 'Roboto', sans-serif;
    font-size: 1em;
}

header {
    min-height: 50px;
    background: #e3e3e3;
    display: flex;
    align-items: center;
    justify-content: center;
}

footer {
    min-height: 50px;
    background: #e3e3e3;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Trick */
body {
    background: #fafafa;
    display: flex;
    flex-direction: column;
}

img {
    display: block;
    margin-left: auto;
    margin-right: auto;
    padding: 2em;
    border-radius: 25%;
}

section div {
    height: 3em;
    position: relative;
    margin-left: 2em !important;
    margin-right: 2em !important;
}

section div h3,
section div p {
    margin: 0;
    text-align: center;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-right: -50%;
    transform: translate(-50%, -50%)
}

footer {
    margin-top: auto;
}


.warning {
    background: #fffb89;
    border-radius: 0;
    border: 1px solid #dfe22b;
    padding: 2px;
}

a {
    text-decoration: none;
    cursor: pointer;
    color: #000
}

a:hover,
a[rel~=nofollow] {
    text-decoration: underline
}

a[rel~=nofollow] {
    color: #0452a5
}

a[rel~=nofollow]:hover {
    text-decoration: none
}