html {
    -webkit-user-select: none;
}

body {
    font-family: 'Arial Unicode MS','微軟正黑體', '標楷體';
    background-image: url("../img/AH/bg.png");
    background-size: 100%;
    background-repeat:no-repeat;
    background-attachment: fixed;
    width: 95vw; 
}
main {
    width: 90vw;
    height: 90vh;
}
.theme-dropdown .dropdown-menu {
    position: static;
    display: block;
    margin-bottom: 20px;
}

.theme-showcase > p > .btn {
    margin: 5px 0;
}

.theme-showcase .navbar .container {
    width: auto;
}

#panelWord {
    height: 93vh;
}
 
/* form starting stylings ------------------------------- */
.group {
    position: relative;
    margin-bottom: 30px;
    background: transparent;
}

input {
    font-size: 4vw;
    padding: 10px 10px 10px 5px;
    display: block;
    width: 100%;
    border: none;
    color:#FFF;
    border-bottom: 1px solid #FFF;
    background: transparent;
}

    input:focus {
        outline: none;
    }

/* LABEL ======================================= */
label {
    color: #FFF;
    font-size: 4vw;
    font-weight: normal;
    position: absolute;
    pointer-events: none;
    left: 5px;
    top: 10px;
    transition: 0.2s ease all;
    -moz-transition: 0.2s ease all;
    -webkit-transition: 0.2s ease all;
}

/* active state */
input:focus ~ label, input:valid ~ label {
    top: -20px;
    font-size: 3vw;
    color: #CCC;
}

/* BOTTOM BARS ================================= */
.bar {
    position: relative;
    display: block;
    width: 100%;
}

    .bar:before, .bar:after {
        content: '';
        height: 2px;
        width: 0;
        bottom: 1px;
        position: absolute;
        background: #5264AE;
        transition: 0.2s ease all;
        -moz-transition: 0.2s ease all;
        -webkit-transition: 0.2s ease all;
    }

    .bar:before {
        left: 50%;
    }

    .bar:after {
        right: 50%;
    }

/* active state */
input:focus ~ .bar:before, input:focus ~ .bar:after {
    width: 50%;
}

/* HIGHLIGHTER ================================== */
.highlight {
    position: absolute;
    height: 60%;
    width: 100px;
    top: 25%;
    left: 0;
    pointer-events: none;
    opacity: 0.5;
}

/* active state */
input:focus ~ .highlight {
    -webkit-animation: inputHighlighter 0.3s ease;
    -moz-animation: inputHighlighter 0.3s ease;
    animation: inputHighlighter 0.3s ease;
}

/* ANIMATIONS ================ */
@-webkit-keyframes inputHighlighter {
    from {
        background: #5264AE;
    }

    to {
        width: 0;
        background: transparent;
    }
}

@-moz-keyframes inputHighlighter {
    from {
        background: #5264AE;
    }

    to {
        width: 0;
        background: transparent;
    }
}

@keyframes inputHighlighter {
    from {
        background: #5264AE;
    }

    to {
        width: 0;
        background: transparent;
    }
}