*, *:before, *:after {
    box-sizing: border-box;
}

*, body, button, input, textarea, select {
    text-rendering: optimizeLegibility;
    -moz-osx-font-smoothing: grayscale;
}

body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td {
    margin:0;
    padding:0;
}

table {
    border-collapse:collapse;
    border-spacing:0;
}

fieldset,img {
    border:0;
}

address,caption,cite,code,dfn,em,strong,th,var {
    font-style:normal;
    font-weight:normal;
}

ol,ul {
    list-style:none;
}

caption,th {
    text-align:left;
}

h1,h2,h3,h4,h5,h6 {
    font-size:100%;
    font-weight:normal;
}

q:before,q:after {
    content:'';
}

abbr,acronym {
    border: 0;
}

body {
    font-family: sans-serif;
    font-size: 16px;
    line-height: 1.4;
    padding: 2em;
}

.demo-example {
    margin-bottom: 2em;
}

.demo-example > label {
    display: block;
    margin-bottom: 0.5em;
    font-weight: bold;
}

.position-menu-within {
    width: 18em;
    height: 15em;
    background: #eee;
    overflow: auto;
    padding: 2em 0 0 2em;
}

.modal-example .multi-select-menu {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    max-height: 50%;
    min-width: 0;
    overflow: auto;
    border: none;
    border-radius: 0.3em;
    box-shadow: 0 1em 3em rgba(0,0,0,0.4);
}

.modal-example .multi-select-menuitem {
    font-size: 1em;
    padding: 1.5em 2.5em 1.5em 3.5em;
}

.modal-example .multi-select-menuitem + .multi-select-menuitem {
    padding-top: 0;
}

.modal-example .multi-select-menuitem input {
    margin-left: -2.5em;
}

.multi-select-modal {
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1;
    background: rgba(0, 0, 0, 0.4);
    display: none;
}

.multi-select-container--open .multi-select-modal {
    display: block;
}