.bottom_con{
    width:100%;
    padding-top: 40px;
    position:relative
}
.bottom_con .icp{
	color: #fff;
	font-size: 20px;
    text-align: center;
}
.bottom_con .icp a {
	color: #fff;
	font-size: 20px;
    text-align: center;
}
.bottom_con .btn_con{
    width: 500px;
    height: 70px;
    position: absolute;
    bottom: 0px;
    left: 50%;
    transform: translate(-50%);
}

.bottom_con .btn_con .index_btn{
    width: 50%;
    height: 100%;
    background: url(../img/indexActive.png);
    border: none;
    background-size: 100% 100%;
    cursor: pointer;
}
.bottom_con .btn_con .solve_btn{
    width: 50%;
    height: 100%;
    background: url(../img/solve.png);
    border: none;
    background-size: 100% 100%;
    cursor: pointer;
}

.center_date{
    width: 100% !important;
    text-align: center;
    position: absolute;
    top: 50%;
    transform: translate(0,-50%);
}
.center_date .time{
    font-size: 35px;
    margin-bottom: 25px;
    display: inline-block;
}