// 禁止用户选中 鼠标变为手形
%unable-select {
    user-select: none;
    cursor: pointer;
}

// 填满父元素
// 组要父元素 position: relative | absolute;
%full {
    position: absolute;
    top: 0;
    right: 0;
    left: 0;
    bottom: 0;
}

// flex 垂直水平居中
%flex-center-row {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: row;
}

%flex-center-column {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

// 将元素模拟成卡片外观
%card {
    border: 1px solid #dddee1;
    border-color: #e9eaec;
    background: #fff;
    border-radius: 4px;
    font-size: 14px;
    position: relative;
}