style.css

html {
    font-family: sans-serif;
    font-size: 19px;
}
.btn {
	box-sizing: border-box;
}
body {
    font-family: 'Lato', sans-serif;
    color : #333;
    background-image: url("background.png");
    background-attachment:fixed;
    margin: 0;
    line-height: 1.25em;
}
h1, h2, h3, h4, h5, h6 {
    font-family: 'Londrina Solid', cursive;
    letter-spacing: 0.07em;
}
a {
    color:#cc6600;
    text-decoration: none;
}
li:first-letter {
    text-transform: uppercase;
}
li {
    margin-bottom: 0.4em;
}
a:hover {
    text-decoration: underline;
    text-shadow: white;
}
main {
	margin: 100px auto;
    width:800px;
    max-width:100%;
    box-sizing: border-box;
	background-color: rgba(255,255,255,0.97);
	padding : 0 20px;
	overflow: auto;
	box-shadow: 8px 6px 19px 1px rgba(0, 0, 0, 0.3);
    border-radius : 10px;
}
.btn, .btn:focus {
    background-color: #994d00;
    padding : 0.7em;
    color : white;
    box-shadow: 1px 1px 2px 0px rgba(0, 0, 0, 0.7);
    position: relative;
    display: inline-block;
    border-radius : 5px;
    font-family: 'Londrina Solid', cursive;
    font-weight: 300;
    letter-spacing: 2px;
    font-size: 1.2em;
}
.btn:hover {
    text-decoration: none;
    box-shadow: 2px 2px 3px 0px rgba(0, 0, 0, 0.5);
    bottom:1px;
}
.btn i {
    margin-right: 0.5em;
}
ul.done {
}
p.menu {
    margin: 1em 0;
}
p.menu a{
    margin: 0 1em 0 0;
}
@media screen and (max-width: 480px) {
    html {
        font-size: 16px;
    }
	.btn {
		width: 100%;
		text-align: center;
    }
    ul {
        padding-left: 20px;
    }
    main {
        padding : 0 10px;
    }
    p.menu a{
        margin: 1em 0 0 0;
    }
    p.menu a:first-child {
        margin: 0 0 0 0;
    }
}