body{
    margin: 0%;
    display: flex;
    flex-direction: column;
    height: 100vh;
}

.background{
    background-image: url(../img/background/water_background.jpg);
    
    background-repeat:no-repeat;
    background-size:cover;
    background-attachment: fixed;
    background-position-x: center ; 
    position: fixed;
    height: 100%;
    width: 100%;
    z-index: -2;
}

.card{
   /* background: rgba(118, 196, 230, 0.921); */
    position: absolute;
    display: flex;
    flex-direction: column;
    height: 100px;
    width: 260px;
    border-radius: 10px;
    text-align: center;
    justify-content:center;

    background: rgba(255, 255, 255, 0.2);
    -webkit-backdrop-filter: blur(8px);
    backdrop-filter: blur(8px);
    border-radius: 25px;
    box-shadow:inset 0 0 6px rgba(255, 255, 255, 0.2);
}

.onewater{
    font-size: 90%;
    color: aqua;
}

.add_water{
    align-self: flex-end;
    height: 40px;
    width: 60px;
    border-radius: 16px;
    border: 0;
    background-color: rgba(189, 243, 245, 0.751);
    margin: 1px;
}

.popup {
    display: none; /* 默认隐藏 */
    position: fixed; /* 固定定位 */
    z-index: 1000; /* 设置在顶层 */
    left: 0%;
    top: 0%;
    width: 100%; 
    height: 100%;
    overflow: auto; 
    background-color: rgb(0,0,0); 
    background-color: rgba(0,0,0,0.4); 
}

.forflex{
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
 
/* 弹窗主体 */
.popup_content {
    background-color: #fefefe;
    width: 40%;
    height: 50%;
    padding: 20px;
}
 
/* 关闭按钮 */
.popup_close {
    color: #aaa;
    float: right;
    font-size: 28px;
    font-weight: bold;
}
 
.popup_close:hover,
.popup_close:focus {
    color: black;
    text-decoration: none;
    cursor: pointer;
}

.popup_body{
    width: 100%;
    height: 80%;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.water{
    background-color: rgba(183, 246, 234, 0.89);
    width: 60%;
    height: 80%;
    border-radius: 3%;
    padding: 3%;
    margin-bottom: 2%;
    border: 0;
}

.submit{
    height: 40px;
    width: 60px;
    border-radius: 16px;
    border: 0;
    background-color: rgba(189, 243, 245, 0.751);
    margin: 1px;
}