article
{
    font-size: 10px;
    padding: 0 3em;
}
footer
{
    background: linear-gradient(75deg,black,darkslategrey,slategrey);
    border: 5px darkorange solid;
    border-radius: 2em; 
    box-shadow: 0 0 1em darkorange;
    clear: both;
    margin-top: 3em;
    padding: 1em;
    text-align: center;
}
header
{
    background: url(../pics/logo-400x300.png) center 1em / 40em 30em no-repeat,linear-gradient(75deg,black,darkslategrey,slategrey);
    border: 5px darkorange solid;
    border-radius: 2em; 
    box-shadow: 0 0 1em darkorange;
    height: 50em;
    margin-bottom: 2em;
    position: relative;
    width: 100%;
}
h1
{
    background: black center center/100% 5em no-repeat;
    border-bottom: 5px darkorange solid;
    border-top: 5px darkorange solid;
    box-shadow: 0 0 1em darkorange;
    color: white;
    font-size: 3em;
    font-weight: bolder;
    left:0;
    padding: 5px;
    position: relative;
    text-align: center;
    text-shadow: 0 0 2px darkorange,0 0 12px darkorange;
    top: 310px;
    white-space: nowrap;
}
h1 span
{
    color: white;
    font-family: cursive;
    font-size: 2.2em;
    font-style: italic;
    font-weight: bolder;
    margin: 0 4px;
    text-shadow: 0 0 1px black,0 0 12px darkorange,0 0 12px darkorange;
    vertical-align: middle;
}
img
{
    border: 5px darkorange solid;
    border-radius: 1em;
    display: block;
    height: 30em;
    margin: 2em 0;
    width: 40em;
}
em, p
{
    color: white;
    font-size: 1.7em;
    font-weight: bold;
    text-align: justify;
    text-shadow: 0 0 1px black;
}
li a::before
{
    content:"> ";
    font-weight: bolder;
}
p::first-letter
{
    color: darkorange;
    display:block;
    float:left;
    font-family: cursive;
    font-size: 2em;
    font-style: italic;
    font-weight: bolder;
    margin-right: .2em;
    text-shadow: 0 0 3px orange;
}
section
{
    clear:both;
    margin: 1em 0;
    padding: 1em;
}
section:nth-of-type(even)
{
    background: linear-gradient(90deg,black,black,darkslategray,white);
    border-radius: 2em;
    border-left: 5px darkorange solid;
    padding-left: 2em;
}
section:nth-of-type(odd)
{
    background: linear-gradient(270deg,black,black,darkslategray,white);
    border-radius: 2em;
    border-right: 5px darkorange solid;
    padding-right: 2em;
}
.clear
{
    clear:both;
}
.echafaudage
{
    float: left;
    margin-right: 3em;
}
.sst
{
    float: right;
    margin-left: 3em;
}
ul
{
    font-size: 2em;
    list-style: none;
}
a
{
    color: lightblue;
    text-decoration: none;
    text-shadow: 0 0 1px blue;
}
a:hover
{
    color: darkorange;
    text-shadow: 0 0 .2em orange;
}