colorgame.css

body {
    background-color: black;
    margin: 0;
    font-family: 'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif;
   
}    

.square {
    background-color: aqua;
    float: left;
    margin: 1.66%;
    padding-bottom: 30%;
    width: 30%;
    border-radius: 25%;

}

#container {
    max-width: 600px;
    margin: 0 auto;
    text-align: center;
}

h1 {
    color: white;
    text-align: center;
    line-height: 1.1;
    padding: 2%;
    background-color: rgb(132, 124, 124);
    margin: 0;
}

.selected{
    background-color: blue;
}


#stripe{
    text-align: center;
   
    background-color: rgb(193, 190, 182);
}
#message{
    color: white;
}
span{
    font-size: 50px;
}
button{
    border: none;
    background: none;
    height: 100%;
    color: white;
    font-size: 20px;
    text-transform: uppercase;
}
button:hover{
    background-color: rgba(5, 61, 101, 0.857);
    border-radius: 28%;
    transform: all 0.10s;
   
}