.canvas-container{
    text-align: center;
}
#game-canvas{
    border-radius: 6px 6px 0 0;
    max-width: 25rem !important;
    width: 100% !important;
    display: block;
    margin: auto;
}
.buts{
    text-align: center;
    margin: 0.5rem 0;
}
.buts button{
    height: 1.4rem;
    line-height: 1.4rem;
    padding: 0 0.5rem;
    margin: 0 0.125rem;
    border-radius: 4px;
    background-color: #FF5722;
    color: #fff;
    border:0;
}

.buts>div{
    height: 1.4rem;
    line-height: 1.4rem;
    padding: 0 0.5rem;
    border:0;
    margin: 0 0.125rem;
    border-radius: 4px;
    display: inline-block;
    position: relative;
    background-color: #2196F3;
    color: #fff;
    cursor: pointer;
}
.buts>div>div{
    display: none;
    position: absolute;
    left: 0;
    top: -50%;
    background-color: #ddd;
    width: 100%;
}
.buts>div>div span{
    background-color: #2196F3;
    color: #fff;
    display: block;
}
.levels{
    height: 1.4rem;
    line-height: 1.4rem;
    display: block;
}
#start-btn{
    background-color: #009688;
}

.jianpandiv{
    background-color: #f6f7fa;
    text-align: center;
    padding:0.5rem 0 0.5rem 0;
}

.night .jianpandiv{
    background-color: #242627;
}

.jianpans{
    display: inline-block;
    border-radius: 100%;
    overflow: hidden;
    background-color: #fff;
    margin: 0.35rem 0 0 0;
    display: none;
}
.night .jianpans{
    background-color: #444;
}
.jianpans div span{
    height: 1.8rem;
    line-height: 1.8rem;
    width: 1.8rem;
    color: #888;
    display: inline-block;
    text-align: center;
    cursor: pointer;
    font-weight: bold;
    font-size: 1rem;
}

.jianpans div span:hover{
    color: #06b672;
}
#keys-btn{
    background-color: #FF9800;
}
.fenshu{
    height: 1.6rem;
    line-height: 1.6rem;
    border: 0;
    width: 21rem;
    margin: auto;
    background-color: #000;
    max-width: 25rem !important;
    width: 100% !important;
    color: #aaa;
    border-radius: 0 0 4px 4px;
    border-top: 1px solid #444;
}
.fenshu>div{
    display: inline-block;
    width: 50%;
    text-align: left;
    padding-left: 0.5rem;
}
.fenshu>div span{
    
}
@media (max-width: 310px) {
    .buts button {
        padding: 0 0.3rem;
        margin: 0 0.1rem;
    }
}