CSS3--点击弹出菜单动画

<!DOCTYPE html>

<html>

    <head>

        <meta charset="UTF-8">

        <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0" />

        <title>CSS3--点击弹出菜单动画</title>

        <script src='rem.js'></script>

        <!--公用css-->

        <style>

        .action{position:fixed;z-index:98;bottom:20%;right:0.3rem;display:flex;flex-direction:column;align-items:flex-end}

        .action.open .group{width:5.6rem}

        .action .option .btn.open{transform:rotate(45deg);background-image:url(data:image/png;base64,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)}

        .action .group{display:flex;width:0.96rem;transition:width 1s;-moz-transition:width 1s;-webkit-transition:width 1s;-o-transition:width 1s;height:0.96rem;overflow:hidden;background-color:#00B0F0;position:relative;border-radius:0.48rem}

        .action .buttons{flex:1;width:5.6rem;display:flex;overflow-y:hidden}

        .action .buttons .item{flex:1;width:1.8rem;height:0.96rem;background:transparent no-repeat center;background-size:contain;white-space:nowrap;display:flex;flex-direction:column;align-items:center;justify-content:space-around;font-size:0.24rem;color:#001E50}

        .action .option{width:0.96rem;height:0.96rem;font-size:0}

        .action .option .btn.close{background-image:url(data:image/png;base64,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)}

        .action .option .btn{width:0.96rem;height:0.96rem;border-radius:100%;background:transparent no-repeat center;background-size:0.44rem}

        </style>

    </head>

    <body>

        <div id="app">

            <!-- DIALOG 右侧操作-->

            <div class="action" :class="{'open' : actionStatus}">

                <div class="group">

                    <div class="buttons">

                        <div class="item">配装器</div>

                        <div class="item">金融计算器</div>

                        <div class="item">参数配置</div>

                    </div>

                    <div class="option">

                        <div class="btn close" v-if="actionStatus" @click="toggleAction">关闭</div>

                        <div class="btn open" v-if="!actionStatus" @click="toggleAction">展开</div>

                    </div>

                </div>

            </div>

        </div>

    </body>

    <script src="vue.js"></script>

    <script>

        var app = new Vue({

            el:'#app',

            data() {

                return {

                    actionStatus: false, // 浮动动按钮状态，未打开

                }

            },

            created() {},

            methods:{

                toggleAction() {

                    this.actionStatus = !this.actionStatus

                },

            },

        })

    </script>

</html>
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CSS3--点击弹出菜单动画

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