.game-type div{
    display: inline-block;
}
.p{
    display: inline-block;
    width: 30px;
    padding-top: 10px;
    position: relative;
    background: darkgreen;
}
.current{
    position: absolute;
    left: 11px;
    top: -20px;
}
.p0 {
    height: 10px;
    padding-top: 0;
}
.player{
    display: inline-block;
    vertical-align: top;
}
.player1{
    width: 145px;
    margin-right: 50px;
}
.players-wrapper .single-move {
    display: inline-block;
    cursor: pointer;
    border: 1px solid #666;
    width: 20px;
    height: 20px;
    text-align: center;
    line-height: 20px;
    margin: 2px 2px;
    font-size: 14px;
}
.players-wrapper .single-move.checked {
    background: darkseagreen;
}
#ladder-wrapper{
    margin-top: 20px;
}
input:invalid {
    border: 2px dashed red;
}
input:valid {
    border: 2px solid black;
}