HTML 在线编辑器器是一款可以在线编写HTML，Javascript，CSS代码的编辑器，在编辑器中你可以添加额外的库，在编写完成后你可以在线运行查看效果并下载代码。
编辑器使用简单，你只需要在指定的输入框中输入指定类型的代码，即可实时查看效果。
官网
HTML 在线编辑器官网地址：http://c.runoob.com/front-end/61
<>
.wrapper {
/*text-transform: uppercase; */
background: #ececec;
color: #555;
cursor: pointer;
font-family: "Gill Sans"Impactsans-serif;
font-size: 20px;
position: relative;
text-align: center;
width: 200px;
-webkit-transform: translateZ(0); /* webkit flicker fix */
-webkit-font-smoothing: antialiased; /* webkit text rendering fix */
}
.wrapper .tooltip {
white-space: nowrap;
font-size: 14px;
text-align: left;
background: #96b97d;
bottom: 100%;
color: #fff;
display: block;
left: -25px;
margin-bottom: 15px;
opacity: 0;
padding: 14px;
pointer-events: none;
position: absolute;
-webkit-transform: translateY(10px);
-moz-transform: translateY(10px);
-ms-transform: translateY(10px);
-o-transform: translateY(10px);
transform: translateY(10px);
-webkit-transition: all .25s ease-out;
-moz-transition: all .25s ease-out;
-ms-transition: all .25s ease-out;
-o-transition: all .25s ease-out;
transition: all .25s ease-out;
-webkit-box-shadow: 2px 2px 6px rgba(0000.28);
-moz-box-shadow: 2px 2px 6px rgba(0000.28);
-ms-box-shadow: 2px 2px 6px rgba(0000.28);
-o-box-shadow: 2px 2px 6px rgba(0000.28);
box-shadow: 2px 2px 6px rgba(0000.28);
}
.tooltip a {
color:#fff;
}
/* This bridges the gap so you can mouse into the tooltip without it disappearing */
.wrapper .tooltip:before {
bottom: -20px;
content: " ";
display: block;
height: 20px;
left: 0;
position: absolute;
width: 100%;
}
/* CSS Triangles - see Trevor's post */
.wrapper .tooltip:after {
border-left: solid transparent 10px;
border-right: solid transparent 10px;
border-top: solid #96b97d 10px;
bottom: -10px;
content: " ";
height: 0;
left: 20%;
margin-left: -13px;
position: absolute;
width: 0;
}
.wrapper .tooltip1 {
margin-left: 50px;
padding-top: 0px;
}
/*
.wrapper:hover .tooltip {
opacity: 1;
pointer-events: auto;
-webkit-transform: translateY(0px);
-moz-transform: translateY(0px);
-ms-transform: translateY(0px);
-o-transform: translateY(0px);
transform: translateY(0px);
}
*/
/* IE can just show/hide with no transition */
.lte8 .wrapper .tooltip {
display: none;
}
.lte8 .wrapper:hover .tooltip {
display: block;
}
<>
@media screen and (max-width: 768px) {
#w3cnote-ad728 {
display: none;
}
}
p.note-author {
border-bottom: 1px solid #ddd;
font-size: 18px;
font-weight: bold;
color: #78a15a;
padding-bottom: 2px;
margin-bottom: 4px;
}
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