我将opacity
添加到我拥有的包裹中,使得我拥有input
字段后面的背景。我只希望包装有opacity
,但它也将它提供给所有输入。如何仅将opacity
应用于输入的环绕?
我做了一个小提琴,以显示它的外观。
https://jsfiddle.net/ajemyg8x/
我为此div
添加了不透明度:
.registerWrap {
border-radius: 10px;
border: 3px solid white;
width: 45%;
height: 500px;
margin: 100px auto 40px auto;
padding: 40px;
text-align: center;
background-color: #282828;
opacity: 0.9;
filter: alpha(opacity=90); /* For IE8 and earlier */
}
#wrap {
background-color: gray;
}
.registerWrap {
border-radius: 10px;
border: 3px solid white;
width: 45%;
height: 500px;
margin: 100px auto 40px auto;
padding: 40px;
text-align: center;
background-color: #282828;
opacity: 0.9;
filter: alpha(opacity=90);
/* For IE8 and earlier */
}
.inputbar[type=text] {
display: block;
width: 400px;
margin: 10px auto;
font-size: 18px;
padding: 10px;
-webkit-transition: all 0.40s ease-in-out;
-moz-transition: all 0.40s ease-in-out;
-ms-transition: all 0.40s ease-in-out;
-o-transition: all 0.40s ease-in-out;
outline: none;
border: 1px solid #DDDDDD;
}
.inputbar:hover {
-moz-box-shadow: 0 0 10px #ccc;
-webkit-box-shadow: 0 0 10px #ccc;
box-shadow: 0 0 10px #ccc;
}
.inputbar[type=text]:focus {
border: 1px solid #800000;
-moz-box-shadow: 0 0 1px 1px rgba(128, 0, 0, 1);
-webkit-box-shadow: 0 0 1px 1px rgba(128, 0, 0, 1);
box-shadow: 0 0 1px 1px rgba(128, 0, 0, 1);
}
#registerButton[type=submit] {
margin: 15px auto;
width: 425px;
font-size: 20px;
font-weight: bold;
padding: 14px;
cursor: pointer;
background-color: #800000;
border: none;
color: #FFFFFF;
}
#registerButton[type=submit]:hover {
-moz-box-shadow: 0 0 10px #ccc;
-webkit-box-shadow: 0 0 10px #ccc;
box-shadow: 0 0 10px #ccc;
}

<div id="wrap">
<div class="registerWrap">
<form action="" method="POST">
<input type="text" class="inputbar" name="firstname" placeholder="First Name" required>
<input type="text" class="inputbar" name="lastname" placeholder="Last Name" required>
<input type="email" class="inputbaremail" name="email" placeholder="Email" required>
<input type="tel" class="inputbarphone" name="phone_number" placeholder="Cell Phone Number" required>
<input type="text" class="inputbar" name="username" placeholder="Username" autocomplete="off" required>
<input type="password" name="password" placeholder="Password" class="inputbarp" required>
<input type="password" name="password_again" placeholder="Confirm Password" class="inputbarp" required>
<label for="registerButton">
<input id="registerButton" type="submit" name="submit" value="Register">
</label>
</form>
</div>
&#13;
答案 0 :(得分:2)
您实际上可以为rgba
的{{1}}设置background-color
颜色值,如下所示。值wrap
只不过是您的十六进制颜色rgba(40, 40, 40, 0.9)
的{{1}}等效项以及添加到元素中的rgb
。
一个可能的缺点是#282828
颜色值为not supported by IE8 and lower。如果您需要支持这些浏览器,那么此方法不适合您。
opacity
以下是一个示例代码段,其中包含图像作为换行的背景,以使效果更加明显。
rgba
&#13;
.registerWrap {
border-radius: 10px;
border: 3px solid white;
width: 45%;
height: 500px;
margin: 100px auto 40px auto;
padding: 40px;
text-align: center;
background-color: rgba(40, 40, 40, 0.9);
/* For IE8 and earlier */
}
&#13;
答案 1 :(得分:0)
答案 2 :(得分:0)
设置不透明度将影响所有子元素。相反,您可以设置背景颜色不透明度,如下所示:
background-color: rgba(40, 40, 40, .9); /* last value is opacity */