main.css

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

body {
    font-family: 'Open Sans', Helvetica, Verdana, sans-serif;
    font-size: 1.5em;
    line-height: 1.25;
    margin-top: 16px;
}

@media (min-width: 1200px) and (min-height: 800px) {
    body {
        margin-top: 216px;
    }
    #results-group {
        position: fixed;
        z-index: 1000;
        top: 0;
        width: 100%;
        height: 200px;
        min-height: 200px;
        margin: 0;
        padding-top: 16px;
        padding-bottom: 0;
        background-color: #ffffff;
        box-shadow: 0px 0px 10px #000000;
    }

    #results-container img {
        border: none;
    }
}

section,
header,
footer {
    padding-top: 1em;
    padding-bottom: 1em;
    padding-left: 10%;
    padding-right: 10%;
    margin: 0;
    clear: both;
}

h1,
h2,
h3,
h4,
h5,
h6 {
    font-family: Quando, Helvetica, Verdana, sans-serif;
    margin: 0;
    margin-top: 1em;
    margin-bottom: 0.2em;
}

strong {
    font-family: Quando, Helvetica, Verdana, sans-serif;
}

em {
    font-family: 'Pacifico', cursive;
    padding-right: 0.1em;
}

header {
    font-size: 1.5em;
    background-color: #eaeaea;
    padding-top: 2em;
    padding-bottom: 2em;
    /*margin-top: 1em;*/
    margin-bottom: 1em;
}

header,
header a {
    color: #504c52;
    text-decoration: none;
}

header h1 {
    line-height: 1em;
    padding-top: 0;
    margin-top: 0;
}

header p {
    padding-bottom: 0;
    margin-bottom: 0;
}

section:nth-of-type(even) {
    background-color: #f8f8f8;
}

article {
    padding-top: 1em;
    padding-bottom: 1em;
    padding-left: 10%;
    padding-right: 10%;
}

article:nth-of-type(even) {
    background-color: #f8f8f8;
}

fieldset {
    border: 3px solid grey;
    border-radius: 5px;
    font-size: 1.5em;
}

fieldset p:first-of-type {
    margin-top: 0;
}

fieldset input,
fieldset button {
    font-size: 1em;
    width: 90%;
    display: block;
    margin: 0.5em;
    box-sizing: border-box;
}

footer {
    background-color: #eaeaea;
    padding-top: 5em;
    padding-bottom: 5em;
}

footer img {
    max-width: 32px;
    vertical-align: middle;
}

h1 small,
h2 small,
h3 small {
    font-size: 0.5em;
    color: grey;
}

abbr {
    border-bottom: 1px dotted grey;
    cursor: help;
}

li {
    margin-bottom: 0.35em;
}

details > summary::-webkit-details-marker { display:none; }
details > summary::-moz-details-marker { display:none; }
details > summary::-ms-details-marker { display:none; }
details > summary::-o-details-marker { display:none; }
details > summary::details-marker { display:none; }

details > summary {
    outline: none;
    cursor: default;
}

details > summary:hover {
    text-decoration: underline;
}

details:not([open]) {}

details[open] {}

details > summary:before {
    content: "+";
    display: inline-block;
    width: 1em;
    text-align: center;
    font-weight: bold;
    background-color: #f8f8f8;
    border-radius: 0.15em;
    margin-right: 0.15em;
    line-height: 1;
}

details > summary:hover:before {
    background-color: #eaeaea;
}

details[open] > summary:before {
    content: "-";
}

.two-columns {
    -moz-column-count: 2;
    -webkit-column-count: 2;
    -o-column-count: 2;
    -ms-column-count: 2;
    column-count: 2;
    -moz-column-width: 500px;
    -webkit-column-width: 500px;
    -o-column-width: 500px;
    -ms-column-width: 500px;
    column-width: 500px;
}

@media (min-width: 1200px) {
    .columns.two .column {
        width: 50%;
        box-sizing: border-box;
    }
    .columns.two .column.left {
        float: left;
        padding-right: 0.5em;
    }
    .columns.two .column.right {
        float: right;
        padding-left: 0.5em;
        border-left: 1px solid #f8f8f8;
    }
}

.has-domains-to-check {
    list-style-type: none;
    padding-left: 0;
}

#results-container-types {
    margin: 0;
    padding: 0;
}

#results-container-types .results-container-type {
    display: inline-block;
    margin: 0;
    padding: 0;
    list-style-type: none;
    color: #999999;
}

#results-container-details > summary:before {
    color: black;
}


#results-container-types .results-container-type.success {
    color: black;
}

#results-container-types .results-container-type.fail {
    color: black;
}

#results-container-details {
    font-size: 0.7em;
    color: #999999;
}

.has-domains-to-check li:before,
#results-container-types .results-container-type:before {
    vertical-align: middle;
}

.has-domains-to-check li:before,
#results-container-types .results-container-type:before {
    content: '?';
    display: inline-block;
    width: 0.7em;
    text-align: center;
    font-size: 0.7em;
    font-weight: bold;
    margin-left: 0.5em;
    margin-right: 0.25em;
}

.has-domains-to-check li.success:before,
#results-container-types .results-container-type.success:before {
    content: '✔︎';
    color: lightgreen;
}

.has-domains-to-check li.fail:before,
#results-container-types .results-container-type.fail:before {
    content: '✘';
    color: red;
}

.has-domains-to-check a[rel='external'] {
    vertical-align: top;
    font-size: 0.7em;
    text-decoration: none;
}

#results-group {}

#results-container {
    text-align: center;
    float: left;
    margin-right: 1em;
}

#results-container img {
    border-bottom: 1px solid #999999;
}

#results-container .results-image.angry {}

#results-container .results-image.happy {}

#results-container.none-yet .results-image.happy {
    display: none;
}

#results-blocks {}

#results-blocks p {
    margin: 0;
    margin-bottom: 0.3em;
}

#results-blocks.none-yet {
    display: none;
}

#results-blocks .results-image.success {}

#results-blocks .results-image.failure {}

#results-blocks.none-yet .results-image {
    display: none;
}

#results-domain-name {}

#results-success-or-fail {
    color: red;
}

.clear {
    clear: both;
}

aside {
    text-align: center;
    font-size: 0.8em;
}