*{
    /*overflow-y: hidden;*/
    padding: 0;
    margin: 0;
}

body{
    height: 100vh;
    background: linear-gradient(-45deg, #000000, #530101, #000000);
    background-size: 400% 400%;
    animation: gradient 15s ease infinite;
}

@keyframes gradient {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

.btn a:link, a:visited, a:hover, a:active {
    text-decoration: none;
    list-style: none;
    color: #000000;
    font-weight: bold;
}

.center {
    height: 100%;
    width: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.btn {
    text-align: center;
    text-decoration :none;
    list-style: none;
    padding: 0.75rem 15rem;
    /*margin: 0 35%;*/
    font-family: arial;
    font-size: 1em;
    color: #000000;
    background-color: #bfbfbf;
    border-radius: 24px;
    -webkit-border-radius: 24px;
    --moz-border-radius: 24px;
    border: 4px solid #2b2828;
    box-shadow: 3px 3px 5px #ff0000;
    -webkit-box-shadow: 3px 3px 5px #ff0000;
    -moz-box-shadow: 3px 3px 5px #ff0000;
    position: relative;
    /*top: 50%;*/
}

.btn:hover {
    text-align: center;
    text-decoration: none;
    list-style: none;
    padding: 0.75rem 15rem;
    justify-content: center;
    /*margin: 0 35%;*/
    color: #ffffff;
    background-color: #2b2828;
    box-shadow: 3px 3px 20px #ff0000;
    -webkit-box-shadow: 3px 3px 20px #ff0000;
    -moz-box-shadow: 3px 3px 20px #ff0000;
    border: 4px solid #bfbfbf;
}

#container{
    margin: 10% 35%;
    justify-content: center;
}

/* Bordered form */
form {
    width:80%;
    padding: 30px;
    border: 1px solid #000000;
    border-radius: 10%;
    background: grey;
}
#container h1{
    width: 38%;
    margin: 0 auto;
    padding-bottom: 10px;
}

h1 {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
}

p {
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
}

/* Full-width inputs */
input[type=text], input[type=password] {
    width: 100%;
    padding: 12px 20px;
    margin: 8px 0;
    display: inline-block;
    border: 1px solid #ccc;
    box-sizing: border-box;
}

/* Set a style for all buttons */
input[type=submit] {
    background-color: #53af57;
    color: white;
    padding: 14px 20px;
    margin: 8px 0;
    border: none;
    cursor: pointer;
    width: 100%;
}
input[type=submit]:hover {
    background-color: white;
    color: #53af57;
    border: 1px solid #53af57;
}

img {
    max-width: 2%;
    height: auto;
    margin: 15px 0 0 15px;
}

.menu {
    display: flex;
    padding:0;
    background-color: rgb(0, 0, 0);
    justify-content: center;
}

.menu li {
    list-style-type: none;
}

.menu a {
    display:block;                /* Transformation en block */
    min-width: 120px;             /* Largeur minimale des liens */   
    
    margin: 1rem;               /* Marges externes (1 valeurs = 4 directions) */
    padding: 0.4rem 0;            /* Marges internes (2 valeurs = haut/bas et gauche/droite)*/
    text-align: center;           /* Centrage du texte */   
    background-color: #500000;    /* Couleur d'arrière-plan */
    color: #fff;                  /* Couleur du texte */
    text-decoration: none;        /* Suppression du soulignement */
    border: 1px solid rgb(255, 0, 0);       /* Ajout d'une bordure */
    border-radius: 4px;           /* Arrondis des bordures */

    transition: all 1s;
}

.menu a:hover {
    background-color: rgb(255, 0, 0);
    color: rgb(0, 0, 0);
    border-color: #fff;
}

/*
th {
    color: yellow;
}

tr {
    color: white;
}

.ouvrier {
    background-color: #FFF;
}

.equipe {
    background-color: lightgreen;
}

.wanted {
    background-color: indianred;
}*/