app.less

body {
    background: #009688;
    padding: 0;
    margin: 0;
    font: 20px/1 "HanHei SC", "PingHei", "PingFang SC", "STHeitiSC-Light", "Helvetica Neue", "Helvetica", "Arial", sans-serif;
    overflow: hidden;
    cursor: default;
    text-rendering: optimizeLegibility;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -moz-font-feature-settings: 'liga', 'kern';
    direction: ltr;
    text-align: left;
}

:global {
    .r {
        float: right;
    }
    .l {
        float: left;
    }
    .clear {
        clear: both;
    }
    b {
        display: block;
        width: 20px;
        height: 20px;
        padding: 2px;
        border: 2px solid #879372;
        margin: 0 2px 2px 0;
        float: left;
        &:after {
            content: '';
            display: block;
            width: 12px;
            height: 12px;
            background: #879372;
            overflow: hidden;
        }
        &.c {
            border-color: #000;
            &:after {
                background: #000;
            }
        }
        &.d {
            border-color: #560000;
            &:after {
                background: #560000;
            }
        }
    }
    .bg {
        background: url('//img.alicdn.com/tps/TB1qq7kNXXXXXacXFXXXXXXXXXX-400-186.png') no-repeat;
        overflow: hidden;
    }
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

.app {
    width: 640px;
    padding-top: 42px;
    box-shadow: 0 0 10px #fff inset;
    border-radius: 20px;
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -480px 0 0 -320px;
    background: #efcc19;
}

.rect {
    width: 480px;
    padding: 45px 0 35px;
    border: #000 solid;
    border-width: 0 10px 10px;
    margin: 0 auto;
    position: relative;
    &.drop {
        -webkit-transform: translateY(5px);
        transform: translateY(5px);
    }
}

.screen {
    width: 390px;
    height: 478px;
    border: solid 5px;
    border-color: #987f0f #fae36c #fae36c #987f0f;
    margin: 0 auto;
    position: relative;
    .panel {
        width: 380px;
        height: 468px;
        margin: 0 auto;
        background: #9ead86;
        padding: 8px;
        border: 2px solid #494536;
    }
}

.state {
    width: 108px;
    position: absolute;
    top: 0;
    right: 15px;
    p {
        line-height: 47px;
        height: 57px;
        padding: 10px 0 0;
        white-space: nowrap;
        clear: both;
    }
    .bottom {
        position: absolute;
        width: 114px;
        top: 426px;
        left: 0;
    }
}