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

body {
    background-image: url("../images/zen_cliff.jpg");
    /* background-repeat: no-repeat; */
    background-size: 100% 110%;
}

div {
    inline-size: 1100px;
    margin: 19px 0px;
}

div:hover {
    transition: 3s;
}

.page-wrapper {
    padding: 3px 2em;
}

#zen-intro {
    margin: 19px 0px;
    color: darkolivegreen;
}

header {
    font-family: cursive;
    color: darkgreen;
}

.summary {
    border: 4px ridge navy;
    padding: 4px;
}

h1 {
    font-size: xx-large;
}

h2 {
    font-weight: lighter;
}

h3 {
    color: darkolivegreen;
    font-style: oblique;
}

.preamble {
    font-weight: 50;
}  

.preamble:hover {
    color: red;
}

p {
    font-family: 'Gill Sans', 'Gill Sans MT', Calibri, 'Trebuchet MS', sans-serif;
}

.explanation {
    border: 4px groove goldenrod;
    padding: 2px;
}

.explanation:hover {
    color: blueviolet;
}

.participation {
    font-weight: bold;
}
.participation:hover {
    color: rgb(32, 112, 112);    
}

.benefits {
    border: 5px groove navy;
    padding: 3px;
    font-size: large;
}

.benefits:hover {
    color:firebrick;
}

#zen-requirements:hover {
    border: 4px groove darkgreen;
    color: rgb(4, 4, 65);
    margin: 50px 100px;
    padding: 20px;
    font-weight: bolder;
}

footer {
    margin-left: 700px;
}

.sidebar {
    margin-left: 800px;
}

.sidebar:hover {
    border-left: 9px groove grey;
    padding-left: 19px;
    background-color: darkgrey;
}

a:hover {
    text-decoration: none;
    color: navy;
}