.title{
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.stage{
    max-width: 400px;
    height: 300px;
    background-image: url(stage.jpg);
    background-size: cover;
    background-position: center center;
    display: flex;
    flex-wrap: wrap;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
}

label{
    display: block;
    width: 12.5%;
    height: 50px;
}
input{
    display: none;
}
label:hover{
    background-color:rgba(255,255,255,0.4);

}
input:checked + label{
    background-color:rgba(255,255,255,0.4);
}

.btn{
text-align: center;
}

.wrap{
    max-width:400px;
    margin-left: auto;
    margin-right: auto;
}

.goal_title{
    text-align: center;
}
.to_start{
    margin-top: 50px;
}
.to_start a{
    display: block;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 3rem;
    text-decoration: none;
    color: #fff;
    background-color: #f77237;
}

.to_game a{
    display: block;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 3rem;
    text-decoration: none;
    color: #fff;
    background-color: #3cad5a;
}

button{
    display: block;
    width: 200px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
    line-height: 3rem;
    text-decoration: none;
    color: #fff;
    background-color: #3cad5a;
    border:none;
}

dl{
    max-width: 400px;
    margin-left: auto;
    margin-right: auto;
}