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

html {
    font-size: 62.5%;
}


body {
   
    /*img src= "images/bluelake.jpg" alt= "Blue Lake">*/
   
    /*background-position: right bottom;*/
    background-size: 95px px;
    font-style: Verdana;
    font-size: 2rem;
    background-image: linear-gradient(90deg,lightgreen, rgb(198, 240, 101));
    vertical-align: baseline;
    border: 8px solid darkcyan;
    padding: 1em;
}
body background-image {
    margin-bottom: 100px;
}

header::before, header::after {
    display: block;
    content: " ";
    position: absolute;
    z-index: 3;
    top: 9px;
    left: 0;
    width: 100%;
    height: 7px;
    background: rgba(0, 39, 43, 0.2);
  }

h1 {
    height: 150px;
    width: vw;
    padding-top: 2%;
    text-align: center;
    /*border: 2px solid rgb(83, 206, 155);*/
    /*border-radius: 20%;*/
    font-size: 80px;
    color:rgb(226, 221, 148);

    background-image: url(..//images/bluelake.jpg);
    background-repeat: no-repeat;
    background-size: 100%;
    background-position-y: center;
}
h2 {
    font-style: sans-serif;
    color:rgb(12, 95, 37);
    font-size: 30px;
    text-align: center;
    padding-bottom: 20px;
    padding-top: 20px;
}


h3 p{
    color:rgb(8, 36, 26);
    border: 3px solid black;
}

#zen-summary{
    /*border: 4px solid green;*/
    height: 60px;
    margin: 20px;
    font-family: 'Times New Roman', Times, serif;
}

.summary, .preamble, .supporting div, .requirements h3, .requirements, p {
    border: 8px solid lightgrey 505;
    /*background-image: linear-gradient(100deg,rgb(186, 194, 186), rgb(50, 231, 44) 100%);*/
    padding: 3px;
    margin-bottom: 1rem;
   
  }
div .summary {
    border-bottom: red;
}
.requirements p:last-child {
    padding-bottom: 3em;
    padding-top: 3em;
    box-shadow: inset 0 0 100px rgb(8, 36, 26)
   
}
.design-selection  {
    padding-top: 20px;
    border: 1px solid black;
    float: right;
    background-image: linear-gradient(45deg, #EEE, rgb(99, 201, 95))
}
.design-archives {
    padding-top: 20px;
    float:auto;
}
.zen-resources {
    padding-top: 20px;
}

footer a {
    width: 76px;
    height: 76px;
    padding: 76px 30 10 0;
    margin: 0 3em;
  }
  footer a::before {
    font-size: 72px;
  }