so-manager-dev.com/public/assets/css/mypage/picker.min.css

/*!
 * Picker.js v1.2.1
 * https://fengyuanchen.github.io/pickerjs
 *
 * Copyright 2016-present Chen Fengyuan
 * Released under the MIT license
 *
 * Date: 2019-02-18T13:08:09.658Z
 */
:root {
    --gray: #999;
    --blue: #0074d9;
    --color: #333;
    --background-color: #fff;
    --border: 1px solid #eee
}

.picker {
    background-color: rgba(0, 0, 0, .5);
    color: #333;
    color: var(--color);
    direction: ltr;
    display: none;
    font-size: 1rem;
    line-height: 1.5;
    overflow: hidden;
    -ms-touch-action: none;
    touch-action: none;
    -webkit-transition: opacity .15s;
    transition: opacity .15s;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none
}

.picker-fixed {
    bottom: 0;
    left: 0;
    position: fixed;
    right: 0;
    top: 0;
    z-index: 1986
}

.picker-fixed>.picker-dialog {
    bottom: -100%;
    left: 0;
    max-height: 100%;
    position: absolute;
    right: 0;
    -webkit-transition: bottom .3s;
    transition: bottom .3s
}

.picker-fixed .picker-header {
    display: block
}

.picker-fixed .picker-footer {
    display: table
}

.picker-open {
    display: block;
    opacity: 0
}

.picker-opened {
    opacity: 1
}

.picker-opened>.picker-dialog {
    bottom: 0
}

.picker-dialog {
    background-color: #fff;
    background-color: var(--background-color);
    border: 1px solid #eee;
    border: var(--border)
}

.picker-header {
    border-bottom: 1px solid #eee;
    border-bottom: var(--border);
    display: none;
    padding: .875rem 1.25rem;
    position: relative
}

.picker-title {
    font-size: 1.125rem;
    font-weight: 500;
    line-height: 1.25rem;
    margin: 0
}

.picker-close {
    background-color: rgba(0, 0, 0, 0);
    border-width: 0;
    color: #999;
    color: var(--gray);
    cursor: pointer;
    font-size: 1.75rem;
    height: 3rem;
    opacity: .75;
    padding: 0;
    position: absolute;
    right: 0;
    top: 0;
    width: 3rem
}

.picker-close:focus,
.picker-close:hover {
    opacity: 1;
    outline: none
}

.picker-body {
    overflow: hidden
}

.picker-grid {
    display: table;
    table-layout: fixed;
    width: 100%
}

.picker-cell {
    display: table-cell;
    position: relative
}

.picker-cell:after,
.picker-cell:before {
    content: "";
    display: block;
    left: 0;
    position: absolute;
    right: 0;
    z-index: 3
}

.picker-cell:before {
    background-image: -webkit-gradient(linear, left bottom, left top, from(rgba(0, 0, 0, 0)), to(rgba(0, 0, 0, .05)));
    background-image: linear-gradient(0deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .05));
    bottom: 50%;
    margin-bottom: 1rem;
    top: 0
}

.picker-cell:after {
    background-image: -webkit-gradient(linear, left top, left bottom, from(rgba(0, 0, 0, 0)), to(rgba(0, 0, 0, .05)));
    background-image: linear-gradient(180deg, rgba(0, 0, 0, 0), rgba(0, 0, 0, .05));
    bottom: 0;
    margin-top: 1rem;
    top: 50%
}

.picker-cell+.picker-cell {
    border-left: 1px solid #eee;
    border-left: var(--border)
}

.picker-headers .picker-cell:before {
    margin-bottom: 0
}

.picker-headers .picker-cell:after {
    margin-top: 2rem
}

.picker-single:not(.picker-controls):not(.picker-headers) .picker-cell:after,
.picker-single:not(.picker-controls):not(.picker-headers) .picker-cell:before {
    display: none
}

.picker-cell__header {
    color: #999;
    color: var(--gray);
    font-size: .875rem;
    font-weight: 500;
    line-height: 1.5rem;
    margin: 0;
    overflow: hidden;
    padding: .25rem .5rem;
    text-align: center;
    text-overflow: ellipsis;
    white-space: nowrap
}

.picker-cell__control {
    cursor: pointer;
    height: 2rem;
    padding: .25rem .5rem;
    position: relative;
    z-index: 4
}

.picker-cell__control:before {
    border: 0 solid #ccc;
    content: "";
    display: block;
    height: .5rem;
    left: 50%;
    position: absolute;
    top: 50%;
    -webkit-transform: translate(-50%, -50%) rotate(-45deg);
    -ms-transform: translate(-50%, -50%) rotate(-45deg);
    transform: translate(-50%, -50%) rotate(-45deg);
    width: .5rem
}

.picker-cell__control:hover:before {
    border-color: var(--primary)
}

.picker-cell__control--prev:before {
    border-right-width: 1px;
    border-top-width: 1px;
    margin-top: 2px
}

.picker-cell__control--next:before {
    border-bottom-width: 1px;
    border-left-width: 1px;
    margin-bottom: 2px
}

.picker-cell__body {
    overflow: hidden;
    position: relative
}

.picker-cell__body:after,
.picker-cell__body:before {
    content: "";
    height: 2rem;
    left: 0;
    position: absolute;
    right: 0;
    z-index: 1
}

.picker-cell__body:before {
    background-image: -webkit-gradient(linear, left bottom, left top, from(hsla(0, 0%, 100%, 0)), to(#fff));
    background-image: linear-gradient(0deg, hsla(0, 0%, 100%, 0), #fff);
    top: 0
}

.picker-cell__body:after {
    background-image: -webkit-gradient(linear, left top, left bottom, from(hsla(0, 0%, 100%, 0)), to(#fff));
    background-image: linear-gradient(180deg, hsla(0, 0%, 100%, 0), #fff);
    bottom: 0
}

.picker-single .picker-cell__body:after,
.picker-single .picker-cell__body:before {
    display: none
}

.picker-list {
    list-style: none;
    margin: -2rem 0;
    padding: 0;
    position: relative
}

.picker-item {
    color: #999;
    color: var(--gray);
    padding: .25rem .5rem;
    text-align: center;
    white-space: nowrap
}

.picker-picked {
    color: #0074d9;
    color: var(--blue);
    font-size: 1.125em;
    line-height: 1.5rem
}

.picker-footer {
    border-top: 1px solid #eee;
    border-top: var(--border);
    display: none;
    width: 100%
}

.picker-cancel,
.picker-confirm {
    background-color: rgba(0, 0, 0, 0);
    border-width: 0;
    cursor: pointer;
    display: table-cell;
    font-size: 1rem;
    padding: .75rem 1rem;
    width: 50%
}

.picker-cancel:focus,
.picker-cancel:hover,
.picker-confirm:focus,
.picker-confirm:hover {
    background-color: #fcfcfc;
    outline: none
}

.picker-confirm {
    color: #0074d9;
    color: var(--blue)
}