img{
    display: none;
}
*{
    margin: 0;
    padding: 0;
}
ul,li,ol{
    list-style: none;
}
#ctr-box{
    position: relative;
    margin: 50px auto;
    width: 1000px;
    height: 500px;
    text-align: center;
    background-image: url('./img/background3.jpg');
    background-size: cover;
}
#stage {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
}
#load{
    position: absolute;
    top: 0;
    right: 0;
    height: 89px;
    line-height: 89px;
}
#load span{
    font-size: 35px;
    color: #de4f0d;
}
#load img{
    vertical-align: middle;
    display: inline-block;
}
#canvas{
    display:none;
    background:linear-gradient(to bottom,#2b3e5a,#394f7b,#6c91bb);
}
.title{
    /*margin-top: 150px;*/
    font-size: 20px;
    text-shadow: 0px 0px 10px red;
}
.title-a{
    position: relative;
    border-radius: 4px;
    /*z-index: 2;*/
    margin: 50px auto;
    display: block;
    width: 350px;
    height: 100px;
    background: url('./img/button-bg.jpg');
    box-shadow: 1px 10px 10px rgba(0,0,0,0.5);
    /*margin-top: 150px;*/
}
.title-a::after {
    content: '';
    top: 0;
    left: 25px;
    z-index: 1;
    transform: scale(1.7);
    position: absolute;
    width: 300px;
    height: 100px;
    background: url('./img/front.png') no-repeat center center/cover;
}
.btn-group .button{
    cursor: pointer;
    outline: none;
    margin: 10px 0;
    border-radius: 10px;
    font-size: 15px;
    font-weight: 400;
    padding: 10px 0;
    height: 80px;
    width: 200px;
    border: none;
    color: white;
}
.btn-group .button img{
    display: inline-block;
}
#stage #start:hover{
    background: url('./img/button-start1.png') center center/cover;
}
#stage #upload:hover{
    background: url('./img/button-degree.png') center center/cover;
}
#stage .btn-group #start:active{
    background: url('./img/button-start2.png') center center/cover;
}
#stage .btn-group #upload:active{
    background: url('./img/button-degree2.png') center center/cover;
}
.btn-group #start{
    background: url('./img/button-start3.png') center center/cover;
    /*border-right: 3px solid #7ba5d5;*/
}
.btn-group #upload{
    background: url('./img/button-degree3.png') center center/cover;
    /*border-right: 3px solid #7e3da0;*/
}
.btn-group #choose{

}
@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translate3d(-50%, -100%, 0);
    }

    to {
        opacity: 1;
        transform: translateX(-50%);
    }
}

.fadeInDown {
    animation-name: fadeInDown;
    animation-duration: .5s;
    animation-fill-mode: both;
}
#toast{
    position: absolute;
    top: 20px;
    border-radius: 4px;
    color: white;
    left: 50%;
    transform: translateX(-50%);
    padding: 7px 15px;
    background: #ff7f36;
}
#tool-bar{
    position: absolute;
    display: none;
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    top: 0;
    right: 0;
    padding: 10px;
}
#tool-bar .skill{
    position: relative;
    margin: 0 5px;
    border-radius: 3px;
    border: 5px solid rgba(2, 27, 80, 0.76);
    box-shadow: 1px 1px 1px black;
    border-bottom-width: 3px;
}
#tool-bar .menu>h5{
    text-align: center;
    margin: 10px 0;
}
#tool-bar .menu>p{
    padding: 0 5px;
}
#tool-bar .skill .menu{
    position: absolute;
    bottom: 0;
    left: -10px;
    transform: translateY(100%);
    display: none;
    z-index: 100;
    width: 110px;
    padding-bottom: 10px;
    color: white;
    border-radius: 4px;
    background: rgba(8, 33, 97, 0.76);
    text-align: left;
    font-size: 13px;
}
#tool-bar .skill:hover .menu{
    display: block;
}
#tool-bar .cooling:hover .menu{
    /*display: none;*/
}
#tool-bar img{
    transition: all .5s;
    border: 1px solid #ffd01f;
    width: 30px;
    display: block;
}
#tool-bar .skill.cooling img{
    -webkit-filter: grayscale(100%);
    -moz-filter: grayscale(100%);
    -ms-filter: grayscale(100%);
    -o-filter: grayscale(100%);
    filter: grayscale(100%);
    filter: gray;
}
#stop+label{
    display: block;
    width: 40px;
    height: 40px;
    margin-right: 40px;
    background: url("./img/stop.svg") center center/cover;
}
#stop:checked+label{
    background: url("./img/begin.svg") center center/cover;
}

.dialog{
    display: none;
}
.dialog>.mask{
    position: fixed;
    z-index: 10;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0,0,0,.5);
}
.dialog>.menu{
    position: fixed;
    z-index: 11;
    width: 200px;
    border-radius: 3px;
    background: white;
    top: 50%;
    left: 50%;
    transform: translateX(-50%) translateY(-50%);
}