#player{
	width: 854px;
	height: 480px;
	background: #000;
	margin-bottom: 10px;
}

#file{
	display: none;
}

.btn {
    display: inline-block;
    padding: 6px 12px;
    margin-bottom: 0;
    font-size: 14px;
    font-weight: normal;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    -ms-touch-action: manipulation;
    touch-action: manipulation;
    cursor: pointer;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    background-image: none;
    border: 1px solid transparent;
    border-radius: 4px;
}
.btn-default {
    color: #333;
    background-color: #DDD;
    border-color: #999;
.header { 
 	width: 100%; 
 	text-align: left; 
} 

 
h2 { 
 	font-family: 'Lato', sans-serif; 
	color: #000; 
	font-size: 36px; 
 	font-weight: 900; 
 	margin-bottom: 20px; 
 	text-align: left; 
} 
 
 
h3 { 
 	text-align: left; 
 	color: #475470; 
 	margin: 5px 0 30px 0; 
 	text-transform: uppercase; 
 	font-family: 'Lato', sans-serif; 
 	font-weight: 400; 
 	font-size: 14px; 
	display: inline-block; 
 	vertical-align: middle; 
} 
 
 
h3 strong { 
 	font-weight: 700; 
} 

.twitter-share-button { 
 	margin-left: 10px; 
} 
 
 
.demo-container p { 
 	text-align: left; 
 	margin-bottom: 30px; 
	font-family: Georgia, serif; 
 	font-size: 17px; 
 	line-height: 25px; 
} 

 
.demo-container p span { 
 	font-size: 42px; 
 	font-weight: 600; 
	padding-right: 5px; 
} 

 
.demo-container p.intro::first-letter{ 
 	font-size: 300%; 
 	padding-right: 5px; 
 	vertical-align: baseline; 
} 

 
.demo-container .flex-wrap { 
 	display: flex; 
} 
 
 
#widget-video-player-shelf-widget { 
 	height: 200px; 
 	background-color: #f4f5f7; 
 	margin-bottom: 40px; 
} 

 
#ads-video-player { 
	min-width: 320px; 	
        display: inline-block; 
 	margin-left: 20px; 
} 

 
@media (max-width: 480px) { 
	#ads-video-player {  		
        display: block; 
		margin: 0 0 20px 0; 
} 
	.demo-container .flex-wrap { 
		display: block; 
} 
 
} 

 
section { 
	margin: 40px 0; 
} 

#BackTop {
	background-position: center; width: 50px; height: 41px; right: 3px; bottom: 10px; display: none; position: fixed; z-index: 99999; cursor: pointer; background-repeat: no-repeat; background-size: cover; -moz-background-size: cover;
}

/* 48px */
.toTop-arrow {
	width: 3rem;
	height: 3rem;
	padding: 0;
	margin: 0;
	border: 0;
	border-radius: 33%;
	opacity: 0.6;
	background: #000;
	cursor: pointer;
	position:fixed;
	right: 1rem;
	bottom: 1rem;
	display: none;
}
.toTop-arrow::before, .toTop-arrow::after {
	width: 25px;
	height: 6px;
	border-radius: 3px;
	background: #f90;
	position: absolute;
	content: "";
}
.toTop-arrow::before {
	transform: rotate(-45deg) translate(0, -50%);
	left: 0.42rem;
}
.toTop-arrow::after {
	transform: rotate(45deg) translate(0, -50%);
	right: 0.42rem;
}
.toTop-arrow:focus {outline: none;}

.ti-angle-right::before {
	content: "\e649";
}
.ti-angle-left::before {
	content: "\e64a";
}
.ti-angle-down::before {
	content: "\e64b";
}
.ti-angle-up::before {
	content: "\e648";
}
.back-to-top { /* 自訂top按鈕 */
	display: none; /* 一開始不顯示 */
	position: fixed; /* 固定在畫面右下角 */
	right: 20px;
	bottom: 20px;
	height: 64px; /* 圖檔高度 */
	width: 64px; /* 圖檔寬度 */
	background: url("images/imgs/171.png") no-repeat;
	opacity:0.8; /* 透明度80% */
	cursor: pointer; /* 滑鼠游標變成手指效果 */
}

.back-to-top a { /* 痞客邦內建的top連結*/
	height: 64px; /* 展開連結區域為和按鈕圖示一樣的大小 */
	width: 64px;
	display: block; /* 設定為區塊元素 */
	font-size: 0px; /* 隱藏預設的top文字*/
}

.back-to-top:hover {	/* 當滑鼠移上時的效果 */
	background: url("images/imgs/170.png") no-repeat;
}
.back-to-top {
	background: rgb(232, 232, 232); border-radius: 3px; border: 0px solid rgb(255, 255, 255); transition:0.3s ease-in-out; border-image: none; width: 45px; height: 45px; text-align: center; right: 40px; color: rgb(40, 38, 43); line-height: 45px; font-size: 14px; position: fixed; z-index: 1000; cursor: pointer; opacity: 0; -webkit-transition: all 0.3s ease-in-out; -moz-transition: all 0.3s ease-in-out;
}
.back-to-top:hover {
	background: rgb(29, 29, 29); border-color: rgb(29, 29, 29); color: rgb(255, 255, 255);
}
@media all and (max-width:768px)
{
.back-to-top {
	display: none;
}
}