body, html {
    background-image: url(images/arch-linux-minimalistic-rainbow.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
}

a:link {
    color: white;
}

a:visited {
    color: lightgrey;
}

.element {
    text-decoration: none;
    color: black;
    background-color: lightgrey;
    padding: 10px
}

.element:hover {
    background-color: grey;
}

.active {
    background-color: grey;
}

img {
    text-align: center;
}

.img-container {
    text-align: center;
}

.icon-container {
    text-align: center;
}

.icon-container a {
    text-decoration: none;
}

.icon-container img:hover {
    opacity: 0.5;
}

.navbar {
    padding: 18px;
}

.navbar a:link {
    color: black
}

.navbar a:visited {
    color: black
}

.content {
    padding: 10px 18px;
    color: white;
}

table, th, td {
    border: 1px solid white;
    text-align: center;
}

body, html {
    background-image: url(images/arch-linux-minimalistic-rainbow.jpg);
    background-position: center;
    background-repeat: no-repeat;
    background-size: cover;
    height: 100%;
    margin: 0;
}

a:link {
    color: white;
}

a:visited {
    color: lightgrey;
}

.element {
    text-decoration: none;
    color: black;
    background-color: lightgrey;
    padding: 10px
}

.element:hover {
    background-color: grey;
}

.active {
    background-color: grey;
}

img {
    text-align: center;
}

.img-container {
    text-align: center;
}

.icon-container {
    text-align: center;
}

.icon-container a {
    text-decoration: none;
}

.icon-container img:hover {
    opacity: 0.5;
}

.navbar {
    padding: 18px;
}

.navbar a:link {
    color: black
}

.navbar a:visited {
    color: black
}

.content {
    padding: 10px 18px;
    color: white;
}

table, th, td {
    border: 1px solid white;
    text-align: center;
}

Add 0 margin to body, html
Add 0 margin to body, html

Default has margin, which creates blank whitespace at the bottom of the
page for odd aspect ratios such as found on phone. This fixes that
problem.

Signed-off-by: Kien Ha <3e36ebd6a7c89ee7d9a20a5fbbffc571f107e566@gmail.com>
