body {
	background-image: url('kitty.png');
	background-repeat: no-repeat;
	background-position: center top;
	background-color: #f1f1f1;
	font-family: 'Indie Flower', cursive;
	text-align: center;
}
h1 {
	margin: auto;
	margin-top: 160px;
	margin-bottom: 50px;
	width: 240px;
}
.dwn_title {
	margin-bottom: 0px;
}
p {
	margin: auto;
	font-size: 20px;
}
a {
	color: #000;
	text-decoration: underline;
}
a:hover {
	text-decoration: none;
}
table {
	margin: auto;
	font-size: 18px;
	width: 500px;
}
thead {
	font-weight: 600;
}
td {
	padding: 4px;
}
tbody tr:nth-child(even) {
	background: rgba(255, 255, 255, 0.4);
}

.tut {
    max-width: 500px;
    text-align: left;
    margin: 0 auto;
    margin-top: 50px;
    background: rgba(255, 255, 255, 0.5);
    padding: 20px;
	box-sizing: border-box;
}
.tut > h3 {
	margin: 0px;
}
.tut > ol {
    padding-inline-start: 30px;
	font-family: arial;
    font-size: 0.9rem;
    line-height: 1.2rem;
}