搜索框CSS编辑。滑动错误

Question

我正在学习CSS。我在编辑CSS搜索框时遇到问题。基本上当我点击放大镜时，将幻灯片向左移动。我希望它必须在中心，并且应该在两个方向上均匀滑动。

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@import url(http://fonts.googleapis.com/css?family=Lato:100,300,400,700);
@import url(https://raw.github.com/FortAwesome/Font-     Awesome/master/docs/assets/css/font-awesome.min.css);
 body {
  background: #DDD;
  font-size: 15px;
}
#wrap {
  margin: 50px 100px;
  display: inline-block;
  position: relative;
  height: 60px;
  float: right;
  padding: 0;
  position: relative;
}
input[type="text"] {
  height: 60px;
  font-size: 55px;
  display: inline-block;
  font-family: "Lato";
  font-weight: 100;
  border: none;
  outline: none;
  color: #555;
  padding: 3px;
  padding-right: 60px;
  width: 0px;
  position: absolute;
  top: 0;
  right: 0;
  background: none;
  z-index: 3;
  transition: width .4s cubic-bezier(0.000, 0.795, 0.000, 1.000);
  cursor: pointer;
}
input[type="text"]:focus:hover {
  border-bottom: 1px solid #BBB;
}
input[type="text"]:focus {
  width: 700px;
  z-index: 1;
  border-bottom: 1px solid #BBB;
  cursor: text;
}
input[type="submit"] {
  height: 67px;
  width: 63px;
  display: inline-block;
  color: red;
  float: right;
  background: url(data:image/png;base64,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) center center no-repeat;
  text-indent: -10000px;
  border: none;
  position: absolute;
  top: 0;
  right: 0;
  z-index: 2;
  cursor: pointer;
  opacity: 0.4;
  cursor: pointer;
  transition: opacity .4s ease;
}
input[type="submit"]:hover {
  opacity: 0.8;
}

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<div id="wrap">
  <form action="" autocomplete="on">
    <input id="search" name="search" type="text" placeholder="What're we looking    for ?">
    <input id="search_submit" value="Rechercher" type="submit">
  </form>
</div>

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Answer 1

试试这个http://codepen.io/karmeljuk/pen/MbdRyB

不要将position: absolute;用于输入

@import url(http://fonts.googleapis.com/css?family=Lato:100,300,400,700);
@import url(https://raw.github.com/FortAwesome/Font-Awesome/master/docs/assets/css/font-awesome.min.css);

body {
	background: #DDD;
	font-size: 15px;
   text-align: center;
}
#wrap form {
  margin-top: 50px;
  position: relative;
  height: 60px;
}

input[type="text"] {
  height: 60px;
  font-size: 55px;
  font-family: "Lato";
  font-weight: 100;
  border: none;
  outline: none;
  color: #555;
  padding: 3px;
  padding-right: 60px;
  width: 0px;
  background: none;
  transition: width .4s cubic-bezier(0.000, 0.795, 0.000, 1.000);
  cursor: pointer;
}

input[type="text"]:focus:hover {
  border-bottom: 1px solid #BBB;
}

input[type="text"]:focus {
  position: relative;
  width: 500px;
  z-index: -2;
  border-bottom: 1px solid #BBB;
  cursor: text;
}
input[type="search"] {
  position: relative;
  z-index: -1;
  height: 67px;
  width: 63px;
  margin-left: -60px;
  transform: translateY(-15px);
  color:red;
  background: url(data:image/png;base64,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) center center no-repeat;
  text-indent: -10000px;
  border: none;
  cursor: pointer;
  opacity: 0.4;
  transition: opacity .4s ease;
}

input[type="submit"]:hover {
  opacity: 0.8;
}

<div id="wrap">
  <form action="" autocomplete="on">
  <input id="search" name="search" type="text" placeholder="What're we looking for ?"><input id="search_submit" value="Rechercher" type="search">
  </form>
</div>