Vue.js explained through pokemon #1

style.css

<style>
    @import url('https://fonts.googleapis.com/css?family=Roboto+Condensed');
    @import url('https://fonts.googleapis.com/css?family=PT+Sans+Narrow');

    html, body {
        height: 100%;
        background: #3C7ACD;
    }

    body {
        display: flex;
        justify-content: center;
        align-items: center;
    }

    .title {
        position: relative;
        margin-top: 10px;
        color: white;
        text-align: center;
        font-size: 28px;
        text-transform: uppercase;
        font-family: "Roboto Condensed";
    }

    .battle-scene {
        position: relative;
        margin: auto;
        display: block;
        margin-top: 3%;
        width: 600px;
        height: 420px;
        background: #F8F8F8;
        z-index: 1;
    }

    .box-top-left {
        position: absolute;
        width: 40%;
        height: 15%;
        border-radius: 10px;
        top: 8%;
        left: 8%;
        background: #F8F8D8;
        border: 6px solid #506860;
    }

    .hp-bar-top {
        position: absolute;
        bottom: 16%;
        height: 20%;
        width: 70%;
        left: 10%;
        border-radius: 20px;
        background: grey;
        opacity: 0.5;
    }

    .hp-bar-bottom {
        position: absolute;
        bottom: 32%;
        height: 20%;
        width: 70%;
        left: 10%;
        border-radius: 20px;
        background: grey;
        opacity: 0.5;
    }

    .hp-bar-fill {
        position: absolute;
        height: 100%;
        border-radius: 20px;
        background: #FF8800;
        -webkit-transition: width 1s ease-in-out;
        -moz-transition: width 1s ease-in-out;
        -o-transition: width 1s ease-in-out;
        transition: width 1s ease-in-out;
    }

    .box-top-right {
        position: absolute;
        width: 40%;
        height: 25%;
        border-radius: 50%;
        top: 25%;
        right: 8%;
        background: #E0E0E0;
    }

    .pokemon-top {
        height: 150%;
        width: 50%;
        position: absolute;
        top: -80%;
        left: 25%;
    }

    .pokemon-bottom {
        height: 150%;
        width: 50%;
        position: absolute;
        top: -75%;
        left: 25%;
    }

    .box-bottom-left {
        position: absolute;
        width: 40%;
        height: 25%;
        border-radius: 50%;
        bottom: 15%;
        left: 8%;
        background: #E0E0E0;
    }

    .box-bottom-right {
        position: absolute;
        width: 38%;
        height: 20%;
        border-radius: 10px;
        bottom: 20%;
        right: 8%;
        background: #F8F8D8;
        border: 6px solid #506860;
        z-index: 2;
    }

    .pokemon {
        text-align: left;
        margin-left: 10%;
        margin-top: 5%;
        opacity: 0.7;
        font-size: 18px;
        font-family: "Roboto Condensed";
    }

    .level {
        position: absolute;
        right: 8%;
        top: -11%;
        opacity: 0.7;
        font-size: 16px;
        font-family: "Roboto Condensed";
    }

    .hp {
        position: absolute;
        right: 8%;
        bottom: -20%;
        opacity: 0.7;
        font-size: 16px;
        font-family: "Roboto Condensed";
    }

    .bottom-menu {
        position: absolute;
        width: 98%;
        bottom: 0%;
        height: 19%;
        background: #285068;
        z-index: 1;
        border: solid 6px #CEB46D;
    }

    .text-box-left {
        position: absolute;
        width: 50%;
        left: 0%;
        height: 95%;

    }

    .text-box-right {
        position: absolute;
        width: 40%;
        top: -6%;
        right: -1%;
        height: 98%;
        background: #F8F8F8;
        border: solid 6px #6F677F;

    }

    .battle-text {
        margin-top: 3%;
        margin-left: 5%;
        opacity: 0.95;
        font-size: 18px;
        color: white;
        text-align: left;
        font-family: "PT Sans Narrow";
    }

    .battle-text-top-left {
        opacity: 0.95;
        position: absolute;
        font-size: 22px;
        color: #333333;
        top: -30%;
        left: 10%;
        text-align: left;
        font-family: "PT Sans Narrow";
        cursor: pointer;
    }

    .battle-text-bottom-left {
        opacity: 0.95;
        position: absolute;
        font-size: 22px;
        color: #333333;
        bottom: -30%;
        left: 10%;
        text-align: left;
        font-family: "PT Sans Narrow";
        cursor: pointer;
    }

    .battle-text-top-right {
        opacity: 0.95;
        position: absolute;
        font-size: 22px;
        color: #333333;
        top: -30%;
        right: 21%;
        text-align: left;
        font-family: "PT Sans Narrow";
        cursor: pointer;
    }

    .battle-text-bottom-right {
        opacity: 0.95;
        position: absolute;
        font-size: 22px;
        color: #333333;
        bottom: -30%;
        right: 20%;
        text-align: left;
        font-family: "PT Sans Narrow";
        cursor: pointer;
    }

    @media all and (max-width: 600px) {
        .battle-scene {
            position: relative;
            margin: auto;
            display: block;
            margin-top: 3%;
            width: 400px;
            height: 280px;
            background: #F8F8F8;
            z-index: 1;
        }

        .title {
            position: absolute;
            top: -33%;
            left: 7.5%;
            color: white;
            text-align: center;
            font-size: 22px;
            text-transform: uppercase;
            font-family: "Roboto Condensed";
        }

        .pokemon {
            text-align: left;
            margin-left: 11%;
            margin-top: 5%;
            opacity: 0.7;
            font-size: 14px;
            font-family: "Roboto Condensed";
        }

        .level {
            position: absolute;
            right: 5%;
            top: -13%;
            opacity: 0.7;
            font-size: 10px;
            font-family: "Roboto Condensed";
        }

        .hp {
            position: absolute;
            right: 8%;
            bottom: -20%;
            opacity: 0.7;
            font-size: 11px;
            font-family: "Roboto Condensed";
        }

        .battle-text-top-left {
            opacity: 0.95;
            position: absolute;
            font-size: 14px;
            color: #333333;
            top: -30%;
            left: 10%;
            text-align: left;
            font-family: "PT Sans Narrow";
            cursor: pointer;
        }

        .battle-text-bottom-left {
            opacity: 0.95;
            position: absolute;
            font-size: 14px;
            color: #333333;
            bottom: -30%;
            left: 10%;
            text-align: left;
            font-family: "PT Sans Narrow";
            cursor: pointer;
        }

        .battle-text-top-right {
            opacity: 0.95;
            position: absolute;
            font-size: 14px;
            color: #333333;
            top: -30%;
            right: 21%;
            text-align: left;
            font-family: "PT Sans Narrow";
            cursor: pointer;
        }

        .battle-text-bottom-right {
            opacity: 0.95;
            position: absolute;
            font-size: 14px;
            color: #333333;
            bottom: -30%;
            right: 20%;
            text-align: left;
            font-family: "PT Sans Narrow";
            cursor: pointer;
        }

        .battle-text {
            margin-top: 1%;
            margin-left: 5%;
            opacity: 0.95;
            font-size: 10px;
            color: white;
            text-align: left;
            font-family: "PT Sans Narrow";
        }

    }

</style>