.mm,
.mm a,
.mm li,
.mm span,
.mm ul {
    display: block;
    padding: 0;
    margin: 0;
    -webkit-box-sizing: border-box;
    box-sizing: border-box
}

.mm a,
.mm li,
.mm span,
.mm ul {
    border-width: 0;
    border-style: inherit;
    border-color: inherit;
    background: inherit
}

:root {
    --mm-color: rgba(0, 0, 0, 0.8);
    --mm-item-height: 50px;
    --mm-item-indent: 20px;
    --mm-line-height: 24px;
    --mm-navbar-height: var(--mm-item-height);
    --mm-arrow-color: rgba(0, 0, 0, 0.3);
    --mm-arrow-size: 10px;
    --mm-arrow-weight: 2px
}

body.mm--open {
    overflow-y: hidden
}

.mm {
    -webkit-tap-highlight-color: transparent;
    -webkit-overflow-scrolling: touch;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    width: 80%;
    min-width: 200px;
    max-width: 440px;
    overflow: hidden;
    color: var(--mm-arrow-color);
    background: #f3f3f3;
    border: 0 solid rgba(0, 0, 0, .1);
    line-height: var(--mm-line-height);
    -webkit-box-shadow: 300px 0 0 100vw transparent, 0 0 20px transparent;
    box-shadow: 300px 0 0 100vw transparent, 0 0 20px transparent;
    -webkit-transform: translateX(-100%);
    -ms-transform: translateX(-100%);
    transform: translateX(-100%);
    -webkit-transition: -webkit-transform .3s ease, -webkit-box-shadow .3s ease;
    transition: -webkit-transform .3s ease, -webkit-box-shadow .3s ease;
    -o-transition: transform .3s ease, box-shadow .3s ease;
    transition: transform .3s ease, box-shadow .3s ease;
    transition: transform .3s ease, box-shadow .3s ease, -webkit-transform .3s ease, -webkit-box-shadow .3s ease
}

.mm.mm--open {
    -webkit-box-shadow: 300px 0 0 100vw rgba(0, 0, 0, .2), 0 0 20px rgba(0, 0, 0, .2);
    box-shadow: 300px 0 0 100vw rgba(0, 0, 0, .2), 0 0 20px rgba(0, 0, 0, .2);
    -webkit-transform: translateX(0);
    -ms-transform: translateX(0);
    transform: translateX(0)
}

.mm {
    cursor: pointer
}

.mm:before {
    content: '';
    display: block;
    position: absolute;
    top: calc(var(--mm-navbar-height)/ 2);
    left: var(--mm-item-indent);
    width: var(--mm-arrow-size);
    height: var(--mm-arrow-size);
    margin-top: 2px;
    border: 0 solid var(--mm-arrow-color);
    border-top-width: var(--mm-arrow-weight);
    border-left-width: var(--mm-arrow-weight);
    -webkit-transform: rotate(-45deg) translate(50%, -50%);
    -ms-transform: rotate(-45deg) translate(50%, -50%);
    transform: rotate(-45deg) translate(50%, -50%)
}

.mm.mm--home {
    cursor: default
}

.mm.mm--home:before {
    content: none;
    display: none
}

.mm:after {
    content: attr(data-mm-title);
    display: block;
    position: absolute;
    top: 0;
    left: calc(var(--mm-item-indent) + (var(--mm-arrow-size) * 2));
    right: var(--mm-item-indent);
    line-height: var(--mm-navbar-height);
    overflow: hidden;
    white-space: nowrap;
    -o-text-overflow: ellipsis;
    text-overflow: ellipsis
}

.mm--home:after {
    left: var(--mm-item-indent)
}

.mm ul {
    -webkit-overflow-scrolling: touch;
    position: fixed;
    top: var(--mm-navbar-height);
    bottom: 0;
    left: 100%;
    width: 0%;
    overflow: hidden;
    overflow-y: auto;
    border-top-width: 1px;
    color: var(--mm-color);
    cursor: default;
    -webkit-transition: left .3s ease, width 0s ease .3s;
    -o-transition: left .3s ease, width 0s ease .3s;
    transition: left .3s ease, width 0s ease .3s
}

.mm ul.mm--open {
    left: 0;
    width: 100%;
    -webkit-transition-delay: 0s;
    -o-transition-delay: 0s;
    transition-delay: 0s
}

.mm ul.mm--parent {
    left: -100%
}

.mm>ul {
    left: 0;
    width: 100%
}

.mm li {
    position: relative;
    cursor: pointer
}

.mm li:before {
    content: '';
    display: block;
    position: absolute;
    bottom: 0;
    left: var(--mm-item-indent);
    right: 0;
    z-index: 12;
    border: inherit;
    border-top-width: 1px
}

.mm li:after {
    content: '';
    display: block;
    position: absolute;
    top: calc(var(--mm-item-height)/ 2);
    right: calc(var(--mm-item-height)/ 2);
    z-index: 0;
    width: var(--mm-arrow-size);
    height: var(--mm-arrow-size);
    border: 0 solid var(--mm-arrow-color);
    border-top-width: var(--mm-arrow-weight);
    border-right-width: var(--mm-arrow-weight);
    border-bottom-width: 0;
    -webkit-transform: rotate(45deg) translate(0, -50%);
    -ms-transform: rotate(45deg) translate(0, -50%);
    transform: rotate(45deg) translate(0, -50%)
}

.mm a,
.mm span {
    position: relative;
    z-index: 1;
    padding: calc((var(--mm-item-height) - var(--mm-line-height))/ 2) var(--mm-item-indent)
}

.mm a {
    text-decoration: none;
    color: inherit
}

.mm a:not(:last-child) {
    width: calc(100% - 50px);
    border-right-width: 1px
}

.mm span {
    background: 0 0
}