Насколько я могу воспроизвести вашу проблему с вашим текущим включенным кодом, вам нужно удалить overflow: hidden
из .zc-form > div
и удалить overflow: auto
из .zc-form-body
.Причиной вашей проблемы было то, что overflow: hidden
действительно скрывает все , что выходит за пределы его собственной высоты и ширины.
.modalwindow {
z-index: auto;
position: fixed;
box-shadow: 0 0 20px #333;
background-color: #fff;
border-radius: 0;
overflow: inherit;
transform: translate(-50%, -50%);
left: 50%;
top: 50%;
}
.zc-form > div {
max-height: 80vh;
display: flex;
flex-direction: column;
height: 100%;
width: 550px;
position: relative;
border-radius: 5px;
}
.zc-form-body {
max-height: 500px;
padding: 10px 30px 30px;
}
.posrel {
position: relative;
}
.zc-form-input {
border-radius: 4px;
line-height: 33px;
padding: 0 18px 0 15px;
font-size: 14px;
color: #2d3138;
position: relative;
height: 35px;
border: solid 0.5px #dedede;
background-color: #fff;
}
.date-picker-wrp {
position: absolute;
border-radius: 4px;
overflow: hidden;
background-color: #fff;
z-index: 1000;
box-shadow: rgba(0, 0, 0, 0.2) 0px 0px 10px 0px;
width: 100%;
margin-top: 2px;
}
.datepicker {
text-align: left;
padding: 10px 7px;
}
.zc-form-footer {
height: 85px;
background-color: #fff;
display: flex;
align-items: center;
padding: 0 30px;
justify-content: space-between;
flex-shrink: 0;
box-shadow: 0px 0px 5px 0 rgba(0, 0, 0, 0.21);
z-index: 1;
}
<div id="form_dialog" type="popup" class="modalwindow zc-form zcalgncntr zcbg_mask">
<div>
<div id="winhead" class="mheader ">Create Modal</div>
<section class="zc-form-body">
<div inputs="">
<div class="font14 mrgT20 posrel">
<div class="zc-form-input-hdr">
<span>date</span>
<span class="clr9 zc-form-hint">Enter the due date</span>
</div>
<div class="posrel cur">
<input placeholder="Ex : 2018/10/11" class="zc-form-input zc-form-date-prvw textL cur">
<span class="zc-form-icons">
<div loading="" class="form-input-loader dN">
<span></span>
<span></span>
<span></span>
</div>
<span class="msi-calndr zcclr font15"></span>
<span class="msi-close zcclr"></span>
</span>
<div class="date-picker-wrp" style="display: block;">
test1<br>
test2<br>
test3<br>
test4<br>
test5<br>
test6<br>
<div element="calendar" class="date-picker">
<div class="datepicker" style="display: block;">
<div class="datepickerContainer" style="width: 0px; height: 0px;"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<footer class="zc-form-footer">
<div class="w100 h100 dflx fjustifySB">
<div class="flexC">
<button class="buttn_pos">Add Task</button>
<button class="buttn_neg btn evbtn mrgR20">Cancel</button> </div>
</div>
</footer>
</div>
</div>
Редактировать: второй фрагмент кода в ответ на комментарий.
.modalwindow {
z-index: auto;
position: fixed;
box-shadow: 0 0 20px #333;
background-color: #fff;
border-radius: 0;
overflow: inherit;
transform: translate(-50%, -50%);
left: 50%;
top: 50%;
}
.zc-form > div {
max-height: 80vh;
display: flex;
flex-direction: column;
height: 100%;
width: 550px;
position: relative;
border-radius: 5px;
}
.zc-form-body {
max-height: 500px;
overflow: auto;
padding: 10px 30px 30px;
}
.posrel {
position: relative;
}
.zc-form-input {
border-radius: 4px;
line-height: 33px;
padding: 0 18px 0 15px;
font-size: 14px;
color: #2d3138;
position: relative;
height: 35px;
border: solid 0.5px #dedede;
background-color: #fff;
}
.date-picker-wrp {
position: absolute;
border-radius: 4px;
overflow: hidden;
background-color: #fff;
z-index: 1000;
box-shadow: rgba(0, 0, 0, 0.2) 0px 0px 10px 0px;
width: 100%;
margin-top: 2px;
}
.datepicker {
text-align: left;
padding: 10px 7px;
}
.zc-form-footer {
height: 85px;
background-color: #fff;
display: flex;
align-items: center;
padding: 0 30px;
justify-content: space-between;
flex-shrink: 0;
box-shadow: 0px 0px 5px 0 rgba(0, 0, 0, 0.21);
z-index: 1;
}
<div id="form_dialog" type="popup" class="modalwindow zc-form zcalgncntr zcbg_mask">
<div>
<div id="winhead" class="mheader ">Create Modal</div>
<section class="zc-form-body">
<div inputs="">
<div class="font14 mrgT20 posrel">
<div class="zc-form-input-hdr">
<span>date</span>
<span class="clr9 zc-form-hint">Enter the due date</span>
</div>
<div class="posrel cur">
<input placeholder="Ex : 2018/10/11" class="zc-form-input zc-form-date-prvw textL cur">
<span class="zc-form-icons">
<div loading="" class="form-input-loader dN">
<span></span>
<span></span>
<span></span>
</div>
<span class="msi-calndr zcclr font15"></span>
<span class="msi-close zcclr"></span>
</span>
<div class="date-picker-wrp" style="display: block;">
test1<br>
test2<br>
test3<br>
test4<br>
test5<br>
test6<br>
<div element="calendar" class="date-picker">
<div class="datepicker" style="display: block;">
<div class="datepickerContainer" style="width: 0px; height: 0px;"></div>
</div>
</div>
</div>
</div>
</div>
</div>
</section>
<footer class="zc-form-footer">
<div class="w100 h100 dflx fjustifySB">
<div class="flexC">
<button class="buttn_pos">Add Task</button>
<button class="buttn_neg btn evbtn mrgR20">Cancel</button> </div>
</div>
</footer>
</div>
</div>