src/App.vue

<template>
  <div id="app">
    <Input v-if="page == 0" @decode="decode"/>
    <Decode v-else-if="page == 1" @return="back" :textIn="textIn" :subIn="subIn"/>
  </div>
</template>

<script>
import Decode from "./components/Decode.vue";
import Input from "./components/Input.vue";

export default {
    name: "app",
    data() {
        return {
            page: 0,
            textIn: "",
            subIn: {}
        };
    },
    methods: {
        decode({ sub, text }) {
            this.textIn = text;
            this.subIn = sub;

            // Open decode page
            this.page = 1;
        },
        back() {
            this.page = 0;
        }
    },
    components: {
        Decode,
        Input
    }
};
</script>

<style>
@import url("https://fonts.googleapis.com/css?family=Lato|Dancing+Script");

html,
body {
    height: 100%;
    margin: 0;
    padding: 0;
}
body {
    font-family: "Lato", sans-serif;
    background-color: #bab185;
}

a {
    text-decoration: none;
}

.container {
    display: flex;
    min-height: 100%;
}

#left-side,
#right-side {
    flex-direction: column;
    padding-bottom: 6px;
}

#left-side {
    z-index: 3;
    flex: 1;
    min-width: 300px;
    background-color: #ece4bc;
    box-shadow: 2px 0 5px rgb(236, 228, 188);
    border-right: 1px solid #e3d9aa;
}
#right-side {
    z-index: 1;
    flex: 3;
    padding-left: 8px;
    background-color: #f8f2d7;
}

.item {
    position: relative;
    background-color: #fff;
    flex: 1 100%;
    min-height: 30px;
    margin: 5px;
    padding: 0 20px 10px;
}
.item-title {
    display: inline-block;
    width: 100%;
    margin-bottom: 10px;
    padding: 7px 0;
    border-bottom: 1px solid #f9f5dd;
    text-align: center;
    font-size: 12px;
    color: #c5b437;
    text-transform: uppercase;
}

#informations ul {
    font-size: 13px;
    color: #a29429;
    line-height: 19px;
    list-style-type: none;
    margin: 0;
    padding: 0;
}
#informations ul strong {
    color: #d7b915;
    font-weight: 300;
}

.stickbar {
    position: absolute;
    top: 0;
    right: 0;
}
.stickbar-item {
    display: inline-block;
    font-size: 14px;
    padding: 6px 7px;
    cursor: pointer;
    color: #d8d2a7;
}
.stickbar-item:hover {
    background-color: #ece4bc;
    color: #fff;
}

.tooltip {
    display: inline-block;
    background-color: #ece4bc;
    margin-left: 4px;
    padding: 1px 4px 0;
    height: 16px;
    color: #fff;
    text-decoration: none;
}
.tooltip:hover {
    background-color: #e0d7af;
}
.preline[data-balloon]:after {
    white-space: pre-line !important;
}

.item-content {
    padding: 6px 8px;
}

footer {
    position: relative;
    z-index: 100;
    background-color: #bab185;
    box-shadow: 0 5px 5px rgba(0, 0, 0, 0.1) inset;
    padding: 10px 0 20px;
    text-align: center;
    color: #e4dcb4;
}
footer ul li {
    display: inline-block;
    margin: 0 8px;
    list-style-type: none;
}
footer ul li::before {
    content: "-";
    margin-right: 16px;
}
footer ul li:first-child::before {
    content: "";
}

footer a {
    color: #fff6ce;
    text-decoration: none;
}
footer a:hover {
    color: #fff2b9;
}
footer .copyright {
}

@media screen and (max-width: 860px) {
    .container {
        flex-direction: column;
    }
    #left-side {
        order: 2;
    }
}
</style>