@import url('https://fonts.googleapis.com/css?family=Source+Sans+Pro:400,600,700|Roboto+Mono&display=swap');

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html, body {
    width: 100%;
    height: 100%;
}

button:focus, input[type='submit']:focus, input[type='button'] {
    outline: 1px dotted #808080;
}