style.css

header{
    cursor: url('Images/1f9e0.png');
    height: 4.3em;
    background-color: rgb(56, 56, 56);
    margin: 0 auto;
    padding-left: 1em;
    padding-right: 1em;
    display: flex;
}
#menu{
    position: absolute;
    margin-top: 0.6em;
}

li {
    text-align: center;
    list-style: none;
    color: aliceblue;
    padding: 10px;
    font-size: 20px;
    font-family: 'Roboto Mono', monospace;
    text-decoration: none;
}

nav ul {
    padding: 0;
    margin: 0;
    margin-left: 1em;
}
#choose {
    padding-top: 2em;
}

nav ul li ul{
    list-style: none;
    line-height: 44px;
    float: left;
}
.deroulan{
    background-color: rgb(42, 46, 66);
    border-radius: 1em;
    margin-bottom: 0.3em;
}

#easy {
    color: greenyellow;
    background-color: rgb(0, 73, 0);
}
#medium {
    color: orange;
    background-color: orangered;
}
#hard {
    color: red;
    background-color: rgb(85, 0, 0);
}
a {
    color: color white;
    text-decoration: none;
    text-transform: none;
}
#difficulte:hover {
    color: rgb(142, 118, 248);
    transform: scale(1.1);
    text-decoration: underline;
}
nav ul li .deroulan {
    color: #fff;
    padding: 10px;
    font-size: 20px;
    text-decoration: none;
}
li .deroulan:hover {
    cursor: pointer;
    transform: scale(1.1);
}
nav ul li ul {
    display: none;
}
nav ul li:hover ul {
    z-index: 99999;
    display: list-item;
    position: absolute;
    margin-top: 5px;
    margin-left: -10px;
}
nav ul li:hover ul li{
    float: none;
}
#titre{
    margin: auto;
    text-align: center;
    font-size: xx-large;
    font-family: 'Roboto Mono', monospace;
    color: whitesmoke;
}
body{
    
    font-family: 'Roboto Mono', monospace;
    text-align: center;
    margin: 0;  
    background-color: rgb(12, 21, 24);
}
.sous_titre{
    margin-top: 2em;
    margin-left: 1em;
    color: whitesmoke;
    text-decoration: underline;
}
#block1{
    height: 30em;
    margin-top: 1em;
    display: flex;
    justify-content: center;

}
#sudoku{
    width: 450px;
    height: 450px;
    background-color: whitesmoke;
    border-radius: 1.5em;
    overflow: hidden;
    position: absolute;

    
    margin-top: 2em;
    display: flex;
    flex-wrap: wrap;
}
.tile{
    width: 48px;
    height: 48px;
    border: 1px solid rgb(163, 163, 163);
    
    font-size: 20px;
    font-family: 'Roboto Mono', monospace;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center;
}
.facile{
    color: chartreuse;
}
.moyen {
    color: orange;
}
.difficile{
    color: red;
}
#keyboard{
    position: absolute;
    height: 30em;
    width: 4em;
    margin-left: 50em;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    background-color: rgb(20, 22, 32);
    padding:1em;
    border: 0.2em solid rgb(77, 77, 77);
    border-radius: 3em;
   

}
.number:hover{
    transform: scale(1.1);
    background-color: rgb(224, 255, 187) ;
    cursor: pointer;
}
.number{
    height: 2em;
    width: 2em;
    
    border: 0.1em solid black;
    border-radius: 1em;
    
    font-size: 20px;
    font-family: 'Roboto Mono', monospace;
    font-weight: bold;
    display: flex;
    justify-content: center;
    align-items: center; 
    margin-left: 0.5em;
    background-color: whitesmoke;
}

.number-selected {
    background-color: rgba(145, 255, 0, 0.575);
}
.tile-start {
    background-color: rgba(189, 187, 187, 0.493);
    
}
.ligne-horizontale {
    border-bottom: 1px solid black;
}

.ligne-verticlale {
    border-right: 1px solid black;
}
.tile:hover{
    
    background-color: rgb(149, 228, 228);
    
}
#compteur{
    position: absolute;
    margin-right: 50em;
    margin-top: 5em;
    height: 6em;
    padding: 1em;
    border: 0.3em solid rgb(77, 77, 77);
    border-radius: 4em;
    display: flex;
    flex-direction: column;
    background-color: rgb(20, 22, 32);
}
#errors{
    height: 1.5em;
    font-family: 'Roboto Mono', monospace;
    font-size: 2em;
    color: rgb(255, 0, 0);
}
h2{
    color: rgb(202, 202, 202);
    font-size: 1.1em;
    text-decoration: underline;
}
.fireworks-container {
    width: 100%;
    height: 100%;
    margin-top: 5em;
}