.container{
   
    display:flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    height:100vh;
    background-color: skyblue;
}
.button1{
    background-color: blue;
    height:8vh;
    width:8dvb;
    border-radius: 10px;
    color:#ffffff;
    border-color: #ffffff;
}
.button2{
    background-color:pink;
    height:8vh;
    width:8dvb;
    border-radius: 10px;
    color:#ffffff;
    border-color: #ffffff;
}
.button3{
    background-color:red;
    height:8vh;
    width:8dvb;
    border-radius: 10px;
    color:#ffffff;
    border-color: #ffffff;
}
.button4{
    background-color:green;
    height:8vh;
    width:8dvb;
    border-radius: 10px;
    color:#ffffff;
    border-color: #ffffff;
}
#selectCode{
    color:#ffffff;
}
.head{
    color:#ffffff;
}