html, body {
    padding: 0;
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

div.top {
    margin: 0 auto;
    width: 600px;
    text-align: center;
}

a.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 16px;
    margin: 4px 2px;
    border-radius: 2em;
    cursor: pointer;
    font-weight: bold;
}

a.button:hover {
    background-color: #2A632C;
}

input.number-input {
    border-radius: 2em;
    border:3px #4CAF50 solid;
    width: 3em;
    text-align: center;
}

input.number-input:focus {
    outline: none;
}

div#results {
    margin-top:30px;
}

div.number-wrapper {
    width: 600px;
    margin: 0 auto;
    font-size: 50px;
    font-weight: bold;
    color: #4CAF50;
    text-align: center;
}

div.numicon-1 {
    background-color: #f8ae4c;
}

div.numicon-2 {
    background-color: #a9bae1;
}

div.numicon-3 {
    background-color: #ffed00;
}

div.numicon-4 {
    background-color: #b3d38d;
}

div.numicon-5 {
    background-color: #e63027;
}

div.numicon-6 {
    background-color: #00abc5;
}

div.numicon-7 {
    background-color: #f39aa4;
}

div.numicon-8 {
    background-color: #009e59;
}

div.numicon-9 {
    background-color: #674997;
}

div.numicon-10 {
    background-color: #006cb5;
}

div.numicon-area {
    text-align: center;
}

div.numicon-wrapper {
    width: 80px;
    font-size: 0px;
    margin: 40px;
    display: inline-block;
}

div.numicon-box {
    width: 40px;
    height: 40px;
    display: inline-block;
    margin: 0;
    padding: 0;
}

div.numicon-box-blank {
    background-color: transparent !important;
}

div.numicon-box-inner {
    margin: 5px;
}

div.numicon-circle {
    height: 30px;
    width: 30px;
    background-color: #fff;
    border-radius: 50%;
    display: inline-block;}
}