styles.css

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

    width: 100%;
    height: 100vh;
}

body {
    display: flex;
    justify-content: center;
    align-items: center;

    overflow: hidden;

    /*color: #eee;
    background: #64dd17;*/

    font-family: 'Roboto', 'Arial', sans-serif;
}

#content {
    width: 500px;
    /*height: 350px;*/

    text-align: center;
}

#logo-container {
    margin-bottom: 40px;
}

#logo {
    max-width: 325px;
    width: 85%;
}

.btn {
    width: 150px;
    height: 40px;

    border: none;
    outline: none;

    /*background-color: white;*/
    background-color: #64dd17;
    border-radius: 5px;
    /*box-shadow: #666 0 2px 3px;*/

    /*color: #64dd17;*/
    color: white;

    font-family: 'Lato', 'Arial', sans-serif;
    font-size: 20px;

    margin: 10px 15px 25px;
}

.btn:hover {
    cursor: pointer;
    background-color: #67e318;
}

.fa {
    font-size: 22px;
    margin-right: 5px;
}