CodePen Embed - Datepicker / Timepicker

<body>
  <div class="input_date date_time">
    <input type="text" class="datepicker">
    <span>
      <i class="fas fa-calendar-alt"></i>
    </span>
  </div>
  <div class="input_time date_time">
    <input type="text" class="timepicker">
    <span>
      <i class="fas fa-clock"></i>
    </span>
  </div>

</body>

:root {
    --main-theme-color:  rgb(32,150,200) ;
    --main-dark-grey:#586273;
    --main-light-grey: #f5f7fa;
    --main-theme-color-05:#EFF4F9; 
    --font-buttons: 'Heebo', sans-serif;
    --box-shadow : 0px 2px 6px 0px rgba(0,0,0,0.2);
}

body {
  background-color: var(--main-theme-color-05);
    width:500px;
    margin: auto;
    display: flex;
    align-items: center;
    height: 100vh;
    justify-content: space-between;
}

input {
    cursor:pointer;
    border: none;
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    color: var(--main-dark-grey);
}

input:focus {outline: none;}
input:active {
    border: none;
    outline: none;
}

.ui-menu .ui-menu-item {
  box-sizing: border-box;
  padding: 0 !important;
}
/*------------ DATE INPUT -------------*/
.date_time{
  background-color:white;
  width: 150px;
  display: flex;
  align-items: center;
  border-radius: 0.15rem;
  border: 1px solid #ddd;
  justify-content: flex-end;
  box-sizing: border-box;
  height: 36px;
  box-shadow:var(--box-shadow)
}

.date_time span {
  background-color: var(--main-light-grey);
  color: #ddd;
  box-sizing: border-box;
  padding: 10px;
  display: flex;
  justify-content: center;
  border: 1px solid #ddd;
  align-items: center;
  border-radius: 0 0.15rem 0.15rem 0;
  cursor: pointer;
  position: absolute;
  z-index: 0;
  height: 36px;
  border-right: none;
}

.date_time input {
  height: 100%;
  width: 150px;
  box-sizing: border-box;
  background-color: transparent;
  z-index: 2;
  letter-spacing: 3px;
  text-align: center;
  padding-right: 36px;
}

.ui-corner-all, .ui-corner-bottom, .ui-corner-right, .ui-corner-br {
  border-radius: 0.15rem
}

.ui-datepicker {
  margin-top: 5px;
  padding: 0 !important;
  box-shadow: var(--box-shadow);
  border: none;
}

.ui-datepicker .ui-datepicker-header{
  background: none !important;
  border: 0;
  background-color: var(--main-theme-color) !important;
  color: white;
  font-family: var(--font-buttons);
  letter-spacing: 1px;
  font-weight: 100;
  border-radius: 0.15rem 0.15rem 0 0;
}

.ui-datepicker  .ui-datepicker-prev-hover,
.ui-datepicker  .ui-datepicker-next-hover{
  background-color: transparent !important;
  border: none !important;
  top: 2px !important;
}

.ui-datepicker a:hover {
  text-decoration: none;
}


.ui-datepicker-prev, .ui-datepicker-next {
  display: inline-block;
  width: 30px;
  height: 30px;
  text-align: center;
  cursor: pointer;
  background-image: url('../images/icons_3/right_arrow_1.svg') !important;
  background-repeat: no-repeat;
  line-height: 600%;
  overflow: hidden;
}

.ui-datepicker .ui-datepicker-prev span, .ui-datepicker .ui-datepicker-next span {
  opacity: 0.4;
}

.ui-datepicker th {
  font-weight: 100 !important;
  font-family: var(--font-buttons);
  font-size: 13px;
  padding: .5em !important;
}

.ui-state-default, .ui-widget-content .ui-state-default, .ui-widget-header .ui-state-default, .ui-button, html .ui-button.ui-state-disabled:hover, html .ui-button.ui-state-disabled:active {
  border: none !important;
  background: var(--main-theme-color-05) !important;
  color: grey !important;
  font-family: var(--font-buttons);
  font-weight: 100 !important;
  letter-spacing: 1px;
}



.ui-state-highlight, .ui-widget-content .ui-state-highlight, .ui-widget-header .ui-state-highlight {
  background-color: white !important;
  color: var(--main-theme-color) !important;
  font-weight: normal !important;
}

.ui-state-active, .ui-widget-content .ui-state-active, .ui-widget-header .ui-state-active, a.ui-button:active, .ui-button:active, .ui-button.ui-state-active:hover{
  color: white !important;
    background-color: var(--main-theme-color) !important
}

.ui-datepicker td a.ui-state-hover.ui-state-default {
  color: var(--main-theme-color) !important;
  font-weight: normal!important;
  background-color: white !important;
}

.ui-datepicker td a.ui-state-hover.ui-state-highlight {
  background-color: white !important;
  color: var(--main-theme-color) !important;
  font-weight: normal !important;
}

.ui-datepicker table {
  margin: 0.15em !important;
  width: -webkit-fill-available!important;
}


/*------------ TIME INPUT ------------*/

.ui-timepicker.ui-menu{
  position: absolute !important;
  top : 0 !important;
}

ul.ui-timepicker-viewport {
  width: auto !important;
}

.ui-timepicker-standard {
  margin-top: 5px !important;
  box-sizing: border-box;
  margin-left: 2px !important;
  border-radius: 0.15rem;
  box-shadow: var(--box-shadow);
  border: none !important;
  width: 149px !important;
  padding: 0 !important;
  z-index: 4!important
}

.ui-timepicker-standard a {
  padding: .3em .4em !important;
  text-decoration: none;
  font-family: var(--font-buttons);
  font-size: 13.5px;
  letter-spacing: 1px;
  color: grey !important;
  font-weight: 100;
}
.ui-timepicker-standard a.ui-state-hover {
  background: none !important;
  border: none !important;
  border-radius: 0 !important;
  background-color: var(--main-theme-color-05) !important;
  color: var(--main-theme-color) !important; 
}
.ui-timepicker ::-webkit-scrollbar {
  width: 8px;
}
.ui-timepicker ::-webkit-scrollbar-track {
  background: rgba(17, 36, 45, 0.3);
  background-color: var(--main-light-grey); 
}
.ui-timepicker ::-webkit-scrollbar-thumb {
  background: #ddd;
}
.ui-timepicker ::-webkit-scrollbar-thumb:hover {
  background: var(--main-theme-color);
}

$(document).ready(function (e) {
    $('.timepicker').timepicker({
        interval: 30,
    });
   $( ".datepicker" ).datepicker({
       dateFormat: 'yy-mm-dd',
       minDate: 0,
   });
});

This Pen is owned by Chloé C. on CodePen.

See more by @ccu-an-b on CodePen

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