body {
    background-color: black;
}

.container {
    width: 70%;
    min-width: 50%;
    margin: auto;
    display: flex;
    flex-direction: column;
}

.kanban-heading {
    display: flex;
    flex-direction: row;
    justify-content: center;
    font-family: sans-serif;
}

.kanban-heading-text {
    font-size: 1.8rem;
    background-color: tomato;
    padding: 0.8rem 1.7rem;
    border-radius: 0.5rem;
    margin: 1rem;
    color: white;
}

.kanban-board {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    font-family: sans-serif;
}
.task-block{
    width:200px;
    padding: 0.6rem;
    /* margin-right: 1rem; */
    /* width: 30.5%; */
    /* min-width: 14rem; */
    /* min-height: 30rem; */
    border-radius: 0.3rem;
    
}
.kanban{
    flex:1;
    display: inline-flex;
    justify-content: space-between;
}
#pieChart{
    flex:1
}
.kanban-block {
    padding: 0.6rem;
    /* margin-right: 1rem; */
    width: 30.5%;
    min-width: 14rem;
    min-height: 30rem;
    border-radius: 0.3rem;
}

#todo {
    background-color: #fec6d1;
}

#inprogress {
    background-color: #ffaf00;
}

#done {
    background-color: #018b01;
}

.task {
    position: relative;
    background-color: white;
    margin: 0.2rem 0 0.3rem 0rem;
    /* border: 0.1px solid #ccc; */
    border-radius: 0.3rem;
    padding: 0.5rem 0.2rem 0.5rem 2rem;
}
.task .item-title{
    font-size: 1.2rem;
}
.delete{
    position: absolute;
    right: 0.5rem;
    top: 0.5rem;
    color: #999;
    width:2rem;
    font-size: 0.8rem;
}
.task .item-detail span{
    font-size: 0.8rem;
    color: #999;
}
.task .item-detail div{
    font-size: 0.8rem;
}
#task-button {
    border-radius: 0.2rem;
    width: 100%;
    color:#fff;
    border-radius: 0.3rem;
    font-size: 1rem;
    height: 2rem;
    line-height: 100%;
    background-color: #1296db;

}

/* 遮罩样式 */
.mask{
    display: none;
    position: absolute;
    top:0;
    left:0; 
    width: 100vw;
    height: 100vh;
    opacity:.5;
    z-index: 5;
    background-color: black;

}
.task-wrap{
    display: none;
    position: fixed;
    width:30rem;
    min-height:10rem;
    top:30%;
    left: 50%;
    margin-left:-15rem;
    z-index: 6;
    background-color: #fff;
    padding: 1rem;
    text-align: center;

}
button{
    min-width:5rem;
    height:2rem;
    line-height: 2rem;
    border-radius: 4px;
    border:none;
    background-color: #f0f0f0;
    color: #fff;
    line-height:100%
    /* border:solid 0.1rem rgba(0,0,0,.1); */
}
button[type="primiry"]{
    background-color: #1296db;
}
button:hover{
    cursor: pointer;
}
.task-wrap strong{
    margin:0.5rem;
}
.form-item{
    display: flex;
    justify-content: center;
    height: 2rem;
}
.form-item input{
    width:80%;
    margin:0  0.5rem;
    border:none;
    outline: none;
}
.icon{
    width: 1rem;
    height: 2rem;
    line-height: 100%;
    display: inline-block;
    
}