style-main.css

body {
    margin: 0 auto;
    padding: 0;
    height: 100%;
    background-color: #201d1d;
    font-family: Cambria, "Times New Roman", serif;
    font-size: 100%;
    color: white;
}

.menu {
    position: fixed;
    top: 0;
    z-index: 3;
    margin: 0;
    padding: 0;
    width: 100%;
    list-style-type: none;
    overflow: hidden;
    background-color: #1a1a1a;
}

.menu a {
    float: left;
    display: block;
    padding: 1.5625% 2%;
    color: white;
    overflow: hidden;
    text-align: center;
    text-decoration: none;
}

a.logo {
    float: right;
    margin: 0 auto;
}

.menu a:hover {
    background: #111;
    color: red;
}

.main {
    position: relative;
    z-index: 1;
    width: auto;
    margin-top: 5.5%;
    overflow: hidden;
    text-align: center;
    font-weight: initial;
    letter-spacing: 1px;
}

.right-bg {
    position: fixed;
    z-index: 2;
    top: 0;
    right: 0;
    height: 100%;
    width: 10%;
    margin-bottom: auto;
    background: #0d0c0c;
}

.left-bg {
    position: fixed;
    z-index: 2;
    top: 0;
    left: 0;
    height: 100%;
    width: 10%;
    margin-bottom: auto;
    background: #0d0c0c;
}

img:hover {
    opacity: 0.45;
}

.image-intro {
    position: relative;
    min-width: 10%;
    width: 50%;
    max-width: 80%;
    max-height: 42.7%;
    margin-bottom: 25px;
}

h1, h2, h3, h4 {
    position: relative;
    width: 100%;
    margin: 8% 0 5% 0;
    text-align: center;
    font-size: 140%;
    font-weight: bold;
    font-family: "Candara Light", Cambria, serif;
}

h2 {
    margin: 8% 0 0 20%;
    text-align: left;
}

h3 {
    margin: 8% 0 5% 20%;
    text-align: left;
}

.description {
    position: relative;
    max-width: 60%;
    margin-left: 20%;
    text-align: left;
    font-size: 115%;
    font-weight: lighter;
    line-height: 150%;
}

.image-description-right {
    float: right;
    position: relative;
    width: 50%;
    height: 40%;
    margin: 0 0 5% 5%;
    overflow: auto;
}

.image-description-middle {
    float: left;
    position: relative;
    width: 50%;
    height: auto;
    margin: 5% 0 4% 8%;
}

.image-description-left {
    float: left;
    position: relative;
    width: 50%;
    height: auto;
    margin: 5% 0 5% 8%;
    overflow: auto;
}

.updates {
    position: relative;
    width: 60%;
    height: auto;
    margin: 2% 0 0 20%;
    overflow: hidden;
    text-align: left;
    font-size: 115%;
    line-height: 150%;
}

.updates li {
    margin: 5% 0;
}

.updates img {
    position: relative;
    float: left;
    width: 50%;
    height: auto;
    margin: 5% 5% 5% 0;
}


.covid-container {
    position: relative;
    width: 60%;
    margin-left: 20%;
    margin-bottom: 5%;
    overflow: auto;
    text-align: left;
    font-size: 115%;
    line-height: 150%;
}

.covid-container img {
    position: relative;
    float: right;
    width: 50%;
    height: auto;
    margin-bottom: 5%;
    margin-left: 5%;
    overflow: auto;
}

.lien-textuel {
    text-decoration: none;
    color: red;
    font-weight: bolder;
}

.lien-textuel-mail {
    text-decoration: none;
    color: yellow;
    font-weight: bolder;
}

.tarif-paiement {
    position: relative;
    margin: 25% 0;
    overflow-x: auto;
}

table, th, td {
    position: relative;
    border: 2px solid black;
    padding: 2%;
    text-align: left;
}

table {
    width: 60%;
    height: auto;
    margin: 5% 0 5% 20%;
    border-collapse: collapse;
}

th {
    position: relative;
    padding: 1%;
    background-color: blueviolet;
}

tr:nth-child(even) {
    background-color: #282626;
}

td {
    width: 15%;
    vertical-align: center;
    line-height: 150%;
}

.remerciements {
    width: 60%;
    margin: 5% 0 5% 20%;
    text-align: center;
    font-size: large;
    font-weight: bold;
}

footer {
    position: absolute;
    z-index: 3;
    width: 100%;
    margin-top: 2.5%;
    padding: 0;
    overflow: hidden;
    background-color: #1a1a1a;
}

footer li {
    position: inherit;
    display: block;
    float: left;
    padding: 1.5625% 1.5%;
    list-style-type: none;
    text-align: center;
    color: white;
    font-weight: bolder;
    font-size: small;
}

footer a {
    color: white;
}