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3-4 style.css 動態標題背景

* {
    padding: 0px;
    margin: 0px;
}

body {
    /*background: #5ca4a9;*/
    background: #5ca4a9 url('bg.jpg') center bottom /cover no-repeat fixed;
    font-family: '微軟正黑體';
    /* 
    background: url('bg.png') right top /10% no-repeat fixed
              , url('bg.png') right bottom /10% no-repeat fixed #123456;
    */
}

.container {
    width: 90%;
    margin: 40px auto;
    box-sizing: border-box;
    padding: 0px 40px;
}

header#Home {
    background: rgba(230, 235, 224, 0.5);
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

hgroup {
    text-align: center;
}

h1 {
    font-weight: bold;
    font-size: 5em;
    color: rgb(255, 255, 255);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
    padding: 20px 0px 10px;
}

h2 {
    font-weight: normal;
    margin: 10px auto 20px;
}

h3 {
    border: 1px solid #ed6a5a;
    border-left: 8px solid #ed6a5a;
    background: #fff;
    padding: 4px 10px;
    display: inline-block;
    margin: 30px auto 10px;
}

h4 {
    margin: 20px auto 10px;
}

nav>ul {
    list-style: none;
    background: rgba(237, 106, 90, 0.8);
    overflow: hidden;
}

nav>ul>li {
    float: left;
}

nav>ul>li>a {
    display: block;
    padding: 14px 16px;
    text-decoration: none;
    color: white;
}

nav>ul>li>a:hover {
    background: rgb(147, 78, 72);
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
}

.row {
    background: rgba(230, 235, 224, 0.8);
    display: table;
}

article {
    display: table-cell;
    width: 78%;
    vertical-align: top;
    padding: 40px;
}

aside {
    display: table-cell;
    width: 20%;
    background: rgba(244, 241, 187, 0.5);
    vertical-align: top;
    padding: 20px;
}

p {
    line-height: 2;
    text-align: justify;
}

footer {
    padding: 60px 0px;
    text-align: center;
    color: white;
    text-shadow: 1px 1px 1px rgba(0, 0, 0, 0.5);
    background: rgba(92, 164, 169, 0.8);
    border-bottom-left-radius: 10px;
    border-bottom-right-radius: 10px;
}


/*
.row {
    background: rgba(230, 235, 224, 0.8);
    overflow: hidden;
}


article{
  float: left;
  width: 78%;
}

aside{
  float: right;
  width: 20%;
    background: rgb(147, 78, 72);
}*/

.top {
    width: 60px;
    height: 60px;
    line-height: 60px;
    display: inline-block;
    text-align: center;
    border-radius: 60px;
    background: #4b81dd;
    color: white;
    text-decoration: none;
    padding: 2px 6px;
    font-size: 0.8em;
    box-shadow: 0px 5px 0px 0px #156785;
}

.top:active {
    position: relative;
    top: 3px;
    box-shadow: 0px 2px 0px 0px #156785;
}

.top::before {
    content: "▲ ";
}

#float_tool {
    position: fixed;
    right: 10px;
    bottom: 10px;
}


/*表單*/

form#contact_form {
    display: table;
    width: 100%;
}

div.form-group {
    display: table-row;
}

div.form-group>label {
    width: 20%;
    display: table-cell;
    vertical-align: top;
    padding: 6px 10px;
    text-align-last: justify;
}

div.form-group>div {
    width: 80%;
    display: table-cell;
    padding: 6px 0px;
}

div.form-group>div>input[type=text],
div.form-group>div>select,
div.form-group>div>textarea {
    width: 100%;
    border-radius: 0px;
    font-size: 1em;
    padding: 2px 4px;
    background: white;
    color: #274a6d;
    border: 1px solid #FCFCFC;
    box-shadow: 0px 0px 8px 2px rgba(0, 0, 0, 0.3);
}

div.form-group>div>textarea {
    height: 100px;
}

figure {
    box-shadow: 0 4px 8px 0 rgba(0, 0, 0, 0.2);
    text-align: center;
    padding: 20px;
    background: rgba(255, 255, 255, 0.2);
}

figure:hover {
    transition: 0.3s;
    box-shadow: 0 8px 16px 0 rgba(0, 0, 0, 0.2);
    background: rgba(255, 255, 255, 0.5);
}

div.form-group>div>input[type=text]:hover,
div.form-group>div>select:hover,
div.form-group>div>textarea:hover {
    transition: 0.3s;
    background: white;
    color: #274a6d;
    border: 1px solid #FCFCFC;
    box-shadow: 0px 0px 8px 2px rgba(107, 173, 239, 0.3);
}

div.form-group>div>input[type=text]::placeholder,
div.form-group>div>select::placeholder,
div.form-group>div>textarea::placeholder {
    color: #f22178;
    font-size: 0.8em;
    opacity: 0.7;
    font-family: '微軟正黑體';
}
 
header{
  position: relative;
  overflow: hidden;
} 

.video {
    position: absolute;
    bottom: 0px;
    left: 0px;
    width: 100%;
    height: 100%;
    z-index: -1;
}

@media (min-aspect-ratio: 16/9) {
    .video { 
      height: 400%;       
      top: -200%; 
    }
}

@media (max-aspect-ratio: 16/9) {
    .video { 
      width: 400%;       
      left: -150%; 
    }
}

 


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