body{
    background: floralwhite;
}
.main-top{
    position: relative;
    width: 70%;
    margin: 0 auto;
}
.main-select{
    background: white;
}
.main{
    margin: 10px;
}
.Bnr{
    margin: 20px auto;
    width: 100%;
}
.btn{
    padding: 10px 50px 10px 50px;
    font-size: 26px;
    margin: 10px auto;
    width: 100%;
    background: firebrick;
    color: white;
}
.js-characters-change{
  padding:15px;
}
.btn2{
    padding: 10px 50px 10px 50px;
    font-size: 26px;
    margin: 10px auto;
    width: 100%;
    background:royalblue;
    color: white;
}