* {
    margin: 0;
    padding: 0;
}
body {
    font-family: "Helvetica Neue", Helvetica, Arial, sans-serif;
    font-size: 18px;
    color: #505050;
    background-color: #f4f2f7;
    line-height: 1.25;
}
a {
    color: #505050;
    font-weight: bold;
}
button, .button {
    min-width: 150px;
    line-height: 40px;
    cursor: pointer;

    font-size: 1.15em;
    font-weight: bold;
    color: #46a6ea;
    background-color: #282828;
    text-align: center;

    border: 1px solid #3f3f3f;
    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;

    -webkit-transition-duration: 0.2s;
       -moz-transition-duration: 0.2s;
         -o-transition-duration: 0.2s;
            transition-duration: 0.2s;
}
button:hover {
    color: #fcf8fa;
    background-color: #3998d6;
    border: 1px solid #3998d6;
}

/* Fancy checkboxes */
/* http://stackoverflow.com/questions/4148499/how-to-style-checkbox-using-css */
input[type='checkbox'] {
    display: none;
}
input[type='checkbox'] + label {
    position: relative;
    cursor: pointer;
}
input[type='checkbox'] + label > span {
    display: inline-block;
    vertical-align: -1px;
    width: 17px;
    height: 17px;
    margin-right: 4px;
    color: #3998d6;
    background-color: #505050;
    text-align: center;
    cursor: pointer;

    border: 4px solid #353535;
    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;
}
input[type='checkbox'] + label > span::before {
    content: '\2714';
    opacity: 0;
}
input[type='checkbox'] + label:hover > span::before {
    opacity: 0.55;
}
input[type='checkbox']:checked + label > span::before {
    opacity: 1;
}

/* Fancy radio buttons */
input[type='radio'] {
    display: none;
}
input[type='radio'] + label {
    position: relative;
    cursor: pointer;
}
input[type='radio'] + label > span {
    display: inline-block;
    vertical-align: -5px;
    width: 17px;
    height: 17px;
    margin-right: 4px;
    color: #3998d6;
    background-color: #505050;
    text-align: center;
    cursor: pointer;

    border: 4px solid #353535;
    -webkit-border-radius: 100%;
       -moz-border-radius: 100%;
            border-radius: 100%;
}
input[type='radio'] + label:hover > span {
    background-color: rgb(35, 115, 169);
}
input[type='radio']:checked + label > span{
    background-color: #3998d6;
}

.button {
    color: #fcf8fa;
    background-color: #3998d6;
    border: 1px solid #3998d6;
    display: inline-block;
    cursor: default;
}

#container {
    width: 550px;
    margin: 0px auto;
    text-align: center;
}
#game-container {
    position: relative;
    margin-bottom: 20px;
}
/* Insert pseudo-element to clear the area. */
#header::after {
    content: '';
    display: block;
    clear: both;
    margin-bottom: 10px;
}
#grid-container {
    background-color: #282828;
    -webkit-border-radius: 6px;
       -moz-border-radius: 6px;
            border-radius: 6px;
}
#grid {
    width: 100%;
    border-spacing: 15px;
}
#win-screen {
    display: none;
    /* Stretch it. */
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    /* Display above all. */
    z-index: 100;

    /* background-color: #edc22e */
    background-color: rgba(255, 226, 36, 0.775);
    -webkit-box-shadow: 0px 0px 30px 10px rgba(243, 215, 116, 0.75);
       -moz-box-shadow: 0px 0px 30px 10px rgba(243, 215, 116, 0.75);
            box-shadow: 0px 0px 30px 10px rgba(243, 215, 116, 0.75);
}
#win-screen > div {
    /* Center it. */
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}
#win-screen .restart-button {
    margin: 10px 0px 25px;
}
#win {
    min-width: 350px;
    color: #f2f0f5;
    font-size: 75px;
    font-weight: bold;
}

#notbot {
    font-size: 85px;
    font-weight: bold;
}
#exclamation {
    font-family: Times New Roman;
    font-size: 90px;
}
#description {
    margin-bottom: 10px;
}
#options {
    margin-bottom: 12px;
}
#options label {
    margin: 0px 10px 0px 4px;
}
#checkboxes {
    margin-bottom: 5px;
}
#new-game {
    /* Vertical centering. */
    position: relative;
    top: 21px;

    float: left;
    margin-left: 12px;
}
#stats {
    float: right;
    margin-right: 12px;
}
#stats > div:first-child {
    margin-bottom: 5px;
}
#info {
    margin-bottom: 15px;
}
#more {
    margin-top: 20px;
}
#social {
    margin: 3px 0px 20px;
}
#social > div {
    vertical-align: top;
    /* Override default FB display style for mobile. */
    display: inline-block;
}
#social > iframe {
    /* Use this instead of frameborder=0. */
    border: none;
    margin-top: 2px;
}
#about {
    margin: 20px 0px 20px;
}

.cell {
    color: #3998d6;
    background-color: #505050;
    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;
}
.bot, .post {
    position: absolute;
    display: table;

    font-size: 55px;
    font-weight: bold;
    text-align: center;

    -webkit-border-radius: 3px;
       -moz-border-radius: 3px;
            border-radius: 3px;
}
.bot {
    /* Bot above post. */
    z-index: 2;

    cursor: pointer;
    /* background-color: #3998d6; */
    background-color: rgba(57, 152, 214, 0.9)
}
.bot > span, .post > span {
    display: table-cell;
    vertical-align: middle;
}
.bot > .number {
    position: relative;
    left: 14px;
}
.post {
    /* Post below bot. */
    z-index: 1;

    background-color: rgba(255, 226, 36, 0.975);
}