@import url(https://fonts.googleapis.com/css?family=Open+Sans:400,500,700);

body {
    background-color: #f2f2f2;
    font-family: 'Open Sans', sans-serif;
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

.heading {
    font-size: 30px;
    color: black;
    margin-bottom: 20px;
}

.sub-heading {
    font-size: 20px;
    color: black;
    margin-bottom: 20px;
}

.version {
    font-size: 12px;
    color: #999;
    margin-bottom: 20px;
}

/* create a div that filles the entire screen */
.container {
    width: 100%;
    height: 100%;
    display: grid;
    place-items: center;
}

/* create styles for a material button */
.button {
    background-color: #4CAF50;
    border: none;
    color: white;
    padding: 8px 20px;
    text-align: center;
    text-decoration: none;
    display: inline-block;
    font-size: 13px;
    margin: 4px 2px;
    cursor: pointer;
    border-radius: 10px;
}

/* Create a hover state for our material button */
.button:hover {
    background-color: #45a049;
}