@charset "UTF-8";
body {
    margin: 0;
    position: 0;
       background: url(../images/teach/bg.jpg);
    font-family: 'Microsoft JhengHei', sans-serif;
/*    background-color: #e6e3d5;*/
}

h1 {
    font-size: 3em;
    margin: 0;
}

h2 {
    font-size: 1.2em;
    margin: 0;
    color: #2b2b2b;
}

.section-a {
    padding: 130px 0 20px 0;
}

.texthidden {
    display: block;
    /*統一轉化為塊級元素*/
    overflow: hidden;
    width: 0;
    height: 0;
}

.container {
    position: relative;
    margin: 0 auto;
    width: 960px;
    height: auto;
}

.btn {
    width: 260px;
    height: 85px;
    line-height: 85px;
    display: inline-block;
}

.step_map {
    width: 960px;
    height: 220px;
    margin: 0;
    margin: 10px auto 0 auto;
}

.youtube_block {
    width: 600px;
    height: 338px;
    margin: 20px auto 0 auto;
}

.ta-c {
    text-align: center;
}

.Button-a {
    background-color: #ff8c00;
    -moz-border-radius: 42px;
    -webkit-border-radius: 42px;
    border-radius: 42px;
    display: block;
    cursor: pointer;
    color: #ffffff;
    font-size: 3em;
    padding: 10px 30px;
    text-decoration: none;
    font-weight: bold;
    margin: 0 auto;
    text-align: center;
    width: 420px;
}

.Button-a:hover {
    background-color: #ff9900;
}

.Button-a:active {
    position: relative;
    top: 1px;
}

.Button-b {
    background-color: #ffffff;
    -moz-border-radius: 42px;
    -webkit-border-radius: 42px;
    border-radius: 42px;
    border: 5px solid #a7a7a7;
    display: inline-block;
    cursor: pointer;
    color: #2b2b2b;
    font-size: 1em;
    padding: 10px 20px;
    margin: 0 5px;
    text-decoration: none;
}

.Button-b:hover {
    background-color: #f6f6f6;
}

.Button-b:active {
    position: relative;
    top: 1px;
}


/*閃爍效果*/

.shinning {
    animation: shinning 1s infinite both ease-out;
    -webkit-animation: shinning 1s infinite both ease-out;
}

@-webkit-keyframes shinning {
    0% {
        -webkit-filter: brightness(1);
    }
    50% {
        -webkit-filter: brightness(1.5);
    }
    100% {
        -webkit-filter: brightness(1);
    }
}

@keyframes shinning {
    0% {
        filter: brightness(1);
        -webkit-filter: brightness(1);
    }
    50% {
        filter: brightness(1.3);
        -webkit-filter: brightness(1.3);
    }
    100% {
        filter: brightness(1);
        -webkit-filter: brightness(1);
    }
}

#hint_win {
    display: none;
    z-index: 5;
    position: absolute;
    background-color: #F0F0F0;
    border: 0px solid grey;
    padding: 3px;
    bottom: 400;
    left: -400;
    -moz-box-shadow: 3px 3px 2px #888;
    -webkit-box-shadow: 3px 3px 2px #888;
    box-shadow: 3px 3px 2px #888;
}

#hint_win .head {
    padding: 0px 0px 5px 0px;
    font-size: 12pt;
    font-weight: bolder;
    text-align: center;
}

#hint_win .img {
    padding: 0;
    margin: 0;
}

#hint_win .body {
    padding: 5px;
    border: 1px solid black;
    border-width: 1px 0 0 0;
    background-color: white;
}

#hint_win .msg {
    font-size: 10pt;
    line-height: 1.5em;
    color: #5A5A5A;
}