html,body{
    width: 100%;
    height: 100%;
}
.page{
    width: 100%;
    height: 100%;
    background-image: url('../img/back.png');
    background-repeat: no-repeat;
    background-size: cover;
}
.title{
    text-align: center;
    color: #FFFFFF;
    position: absolute;
    top:15%;
    left:50%;
    transform: translate(-50%,0);
}
.title .one{
    font-size: 60px;
    font-family: cursive;
    font-weight: bold;
}
.title .time{
    font-size: 20px;
    margin: 20px 0 ;
    font-family: serif;
}
.title .time span{
    margin:0 10px;
}
.title .time_span{
    color: yellow;
}
.title .three{
    font-family: serif;
    font-size: 15px;
    margin-top: 30px;
}