基于Bootstrap的简洁登录界面设计效果

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基于Bootstrap的简洁登录界面设计效果
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    插件介绍

    这是一款基于Bootstrap的简洁登录界面设计效果。该登录界面利用bootstrap的网格和表单元素来进行布局,简单美观,非常实用。

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    时间:2016-10-11
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简要教程

这是一款基于Bootstrap的简洁登录界面设计效果。该登录界面利用bootstrap的网格和表单元素来进行布局,简单美观,非常实用。

使用方法

在页面中引入bootstrap的相关文件。

<link rel='stylesheet' href='http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css'>        
                
HTML结构

该登录界面的基本HTML结构如下:

<div class="container">
    <div class="row">
        <div class="col-md-offset-3 col-md-6">
            <form class="form-horizontal">
                <span class="heading">用户登录</span>
                <div class="form-group">
                    <input type="email" class="form-control" id="inputEmail3" placeholder="用户名或电子邮件">
                    <i class="fa fa-user"></i>
                </div>
                <div class="form-group help">
                    <input type="password" class="form-control" id="inputPassword3" placeholder="密 码">
                    <i class="fa fa-lock"></i>
                    <a href="#" class="fa fa-question-circle"></a>
                </div>
                <div class="form-group">
                    <div class="main-checkbox">
                        <input type="checkbox" value="None" id="checkbox1" name="check"/>
                        <label for="checkbox1"></label>
                    </div>
                    <span class="text">Remember me</span>
                    <button type="submit" class="btn btn-default">登录</button>
                </div>
            </form>
        </div>
    </div>
</div>
                 
CSS样式

为登录界面添加下面的CSS样式:

.form-bg{
    background: #00b4ef;
}
.form-horizontal{
    background: #fff;
    padding-bottom: 40px;
    border-radius: 15px;
    text-align: center;
}
.form-horizontal .heading{
    display: block;
    font-size: 35px;
    font-weight: 700;
    padding: 35px 0;
    border-bottom: 1px solid #f0f0f0;
    margin-bottom: 30px;
}
.form-horizontal .form-group{
    padding: 0 40px;
    margin: 0 0 25px 0;
    position: relative;
}
.form-horizontal .form-control{
    background: #f0f0f0;
    border: none;
    border-radius: 20px;
    box-shadow: none;
    padding: 0 20px 0 45px;
    height: 40px;
    transition: all 0.3s ease 0s;
}
.form-horizontal .form-control:focus{
    background: #e0e0e0;
    box-shadow: none;
    outline: 0 none;
}
.form-horizontal .form-group i{
    position: absolute;
    top: 12px;
    left: 60px;
    font-size: 17px;
    color: #c8c8c8;
    transition : all 0.5s ease 0s;
}
.form-horizontal .form-control:focus + i{
    color: #00b4ef;
}
.form-horizontal .fa-question-circle{
    display: inline-block;
    position: absolute;
    top: 12px;
    right: 60px;
    font-size: 20px;
    color: #808080;
    transition: all 0.5s ease 0s;
}
.form-horizontal .fa-question-circle:hover{
    color: #000;
}
.form-horizontal .main-checkbox{
    float: left;
    width: 20px;
    height: 20px;
    background: #11a3fc;
    border-radius: 50%;
    position: relative;
    margin: 5px 0 0 5px;
    border: 1px solid #11a3fc;
}
.form-horizontal .main-checkbox label{
    width: 20px;
    height: 20px;
    position: absolute;
    top: 0;
    left: 0;
    cursor: pointer;
}
.form-horizontal .main-checkbox label:after{
    content: "";
    width: 10px;
    height: 5px;
    position: absolute;
    top: 5px;
    left: 4px;
    border: 3px solid #fff;
    border-top: none;
    border-right: none;
    background: transparent;
    opacity: 0;
    -webkit-transform: rotate(-45deg);
    transform: rotate(-45deg);
}
.form-horizontal .main-checkbox input[type=checkbox]{
    visibility: hidden;
}
.form-horizontal .main-checkbox input[type=checkbox]:checked + label:after{
    opacity: 1;
}
.form-horizontal .text{
    float: left;
    margin-left: 7px;
    line-height: 20px;
    padding-top: 5px;
    text-transform: capitalize;
}
.form-horizontal .btn{
    float: right;
    font-size: 14px;
    color: #fff;
    background: #00b4ef;
    border-radius: 30px;
    padding: 10px 25px;
    border: none;
    text-transform: capitalize;
    transition: all 0.5s ease 0s;
}
@media only screen and (max-width: 479px){
    .form-horizontal .form-group{
        padding: 0 25px;
    }
    .form-horizontal .form-group i{
        left: 45px;
    }
    .form-horizontal .btn{
        padding: 10px 20px;
    }
}
                 

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