.drawer {
    width: 0;
    height: 100%;
    position: fixed;
    top: 0;
    z-index: 1000;
    display: block !important;
}

.drawer.right {
    right: 0;
}

.drawer.active {
    width: 100%;
}

.drawer-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    filter: alpha(opacity=45);
    transition: opacity .3s linear;
}

.drawer-mask-show {
    background-color: rgba(0, 0, 0, .45);
}

.drawer.active .drawer-mask {
    opacity: 1;
}

.drawer-content {
    height: 100%;
    background-color: #fff;
    box-shadow: none;
    transition: transform .3s cubic-bezier(.7, .3, .1, 1), box-shadow .3s cubic-bezier(.7, .3, .1, 1);
    position: absolute;
    top: 0;
}

.drawer.left .drawer-content {
    transform: translateX(-100%);
    box-shadow: 2px 0 8px rgba(0, 0, 0, .15);
}

.drawer.right .drawer-content {
    right: 0;
    transform: translateX(100%);
    box-shadow: -2px 0 8px rgba(0, 0, 0, .15);
}

.drawer.active .drawer-content {
    transform: none;
}

.drawer-content-header {
    height: 55px;
    line-height: 55px;
    border-bottom: 1px solid #e8e8e8;
}

.drawer-content-title {
    color: rgba(0, 0, 0, .85);
    font-weight: 600;
    font-size: 16px;
    margin: 0 20px;
}

.drawer-close {
    position: absolute;
    top: 0;
    right: 20px;
    font-size: 22px;
    cursor: pointer;
}

.drawer-content-body {
    padding: 24px;
    max-height: calc(100% - 104px);
    overflow: auto;
}

.drawer-content-body::-webkit-scrollbar {
    width: 6px;
    height: 6px;
    background-color: hsla(0, 0%, 100%, 0);
}

.drawer-content-body::-webkit-scrollbar-thumb {
    border-radius: 3px;
    background-color: #cfd6dd;
}