一、先上最终效果：
二、代码
总结构图：
1、index.html
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>Login</title>
<link rel="stylesheet"href="./css/style.css" />
</head>
<body>
<form class="box" action="index.html"method="post">
<h1>Login</h1>
<input type="text"name=""placeholder="UserName" />
<input type="password"name=""placeholder="UserPassword" />
<input type="submit" name="" value="Login" />
</form>
</body>
</html>
2、style.css
body{
margin: 0;
padding: 0;
background-image: url(../img/桥.jpg);
background-repeat: no-repeat;
background-size:100%;
background-position: 0px -50px;
}
.box{
width: 300px;
padding: 40px;
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%,-50%);
background-color: #00000068;
text-align: center;
}
.box input[type = "text"],.box input[type = "password"]{
border: 0;
background: none;
display: block;
margin: 20px auto;
text-align: center;
border: 2px solid #c8d6e5;
padding: 14px 10px;
outline: none;
color: #ffffff;
border-radius: 24px;
transition: 0.25s;
}
h1{
color: #FFFFFF;
text-transform: uppercase;
font-weight: 500;
}
.box input[type = "text"]:focus, .box input[type = "password"]:focus{
width: 280px;
border-color: #FFFFFF;
}
.box input[type = "submit"]{
border: 0;
font-size: 17px;
background: none;
display: block;
margin: 20px auto;
text-align: center;
border: 2px solid #FFFFFF;
padding: 14px 40px;
outline: none;
color: #ffffff;
border-radius: 24px;
transition: 0.25s;
cursor: pointer;
}
.box input[type = "submit"]:hover{
background-image: linear-gradient(120deg, #e0c3fc 0%, #8ec5fc 100%);
font-size: x-large;
}
3、背景图片自取
希望帮到更多的小伙伴们~~~~~~~~~