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

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

body {
	color: #222;
	margin: 0;
	padding: 20px;
    text-align: center;
	font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
}

button {
    padding: 10px 20px 10px 20px;
    border: 1px solid #ced4da;
    border-radius: 0.25rem;
    font-size: 1em;
    width: 100px;
    cursor: pointer;
    transition: background-color 300ms;
}

button:disabled {
    cursor: default;
}

.blue {
    background-color: rgb(26, 70, 218);
    color: #EEE;
}

.blue:hover {
    background-color: rgb(23, 62, 192);
}

.blue:disabled {
    background-color: rgb(117, 127, 160);
}

.green {
    background-color: rgb(15, 123, 15);
    color: #EEE;
}

.green:hover {
    background-color: rgb(12, 104, 12);
}

.green:disabled {
    background-color: rgb(99, 129, 99);
}

h1 {
    margin-bottom: 10px;
}

input {
    width: 100%;
    max-width: 500px;
    line-height: 1.5;
    font-size: 1em;
    border: 1px solid #ced4da;
    border-radius: .25rem;
    padding: 4px;
}

.icon {
    padding: 0;
    width: 30px;
    line-height: 30px;
    border: none;
    text-decoration: none;
}

.nolink {
    text-decoration: none;
    color: inherit;
}

.block {
    display: block;
}

.back {
    float: left;
    font-size: 24px;
    line-height: 38px;
    text-decoration: none;
    color: inherit;
}

.hidden {
    display: none;
}