styles.css

#roulette {
    /*float: left;*/
    position: relative;
    background-color: #fff;
    /*height: 250px;*/
    width: 500px;
    /*width: 40%;*/
}

#ball {
    position: absolute;
    width: 20px;
    /*top: 112px;
    left: 280px;*/
}

#ballcontainer {
    height: 300px;
    width: 20px;
    position: absolute;
    display: block;

    /*width: 2em;
    height: 18.5em;*/
    /*left: 610px;
    top: 240px;*/
    top: 100px;
    left: 240px;
    -webkit-transition: -webkit-transform 2s ease-out;
    z-index: 80;
}

body {
    display: flex;
    justify-content: space-around;
    align-items: center;
    flex-direction: row;
    flex-wrap: wrap;

}

#wheel {
    float: left;
    position: relative;
}

.boutonVert {
    background : green;
    color : white;
}

.boutonNoir {
    background : black;
    color : white;
}

.boutonRouge {
    background : red;
    color : white;
}

.boutonSpe {
    width : 63px;
    margin: 1px;
}

#lastrow {
    display: flex;
    flex-direction: row;
}

table input[type=button] {
    border: none;
}

.zone input[type=text] {
    margin: 2px;
}

input[type=button]:hover {
    opacity: 0.8;
}

.selected {
    border: 1px solid black;
}

table {
    border-collapse: collapse;
}
.color {
    width:30px;
    height: 30px;
    border-radius: 2px;
}

#resultat {
    width: 30px;
}

#startbutton {
    margin: 5px;
    height: 30px;
    border-color: black;
    border : 2px solid black;
    border-radius: 2px;
}

.gris {
    height: 30px;
    border: none;
    border-radius: 2px;
}