/*element selectors*/

html {
    background-color: mediumseagreen;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
body {
    width: 98%;
    margin: auto;
}

p {
    font-size:16px;
    line-height:150%;
    font-family: georgia, baskerville, serif;
}

li {
    font-size: 14px;
}

figure {
    display: block;
    width: 420px;
}

figcaption {
    font-size: 0.875em;
    font-weight: lighter;
    text-align: center;
    display: ruby-text;
    margin-top: 0.5em;
}

/* multiple tag selectors*/
h1, h2 {
    font-family: 'Roboto Slab', helvetica, arial, verdana, sans-serif;
    text-align: center;
    color: brown;
}

/*descendant tag selectors*/
nav ul {
      list-style-type: none;  
}
nav ul li a {
    text-transform: uppercase;
    text-decoration: none;
    line-height: 200%;
    margin: 2px;
    padding: 3px;
}

figure img {
    box-shadow: 5px 5px 15px brown;
    text-align: center;
}

p>span {
    font-weight: bold;
}

/*id selectors*/

#habitats {
    font-weight: bolder;
    text-align: center;
}

/*class selectors*/

.image_border {
    border: 3px solid blue;
}

.floatleft {
    float: left;
    padding: 8px;
}

.floatright {
    float: right;
    padding: 8px;
}

.roundedcorners {
    border: 0;
    -ms-interpolation-mode: bicubic;
    vertical-align: middle;
    border-radius: 50px;
    margin-bottom: 5px;
    margin-right: 15px;
}

.center {
    text-align: center;
}