就是一个简单的html登录界面
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8" />
<title>Login</title>
<style>
* {
padding: 0;
margin: 0;
}
body {
background: linear-gradient(127deg, #45bec6, #e5e5e5 );
height: 100vh;
}
.login-div {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
display: flex;
flex-direction: column;
justify-content: center;
align-items: center;
color: white;
padding: 6vh 6vw;
opacity: .8;
outline: none;
border: none;
border-radius: 10px;
box-shadow: 5px 5px 10px #666666;
}
.login-div .form-title {
font-weight: bold;
font-size: 1.5rem;
margin-bottom: 3vh;
padding-left:4rem;
letter-spacing: 4rem;
}
.input-div {
position: relative;
padding: 5px;
margin-bottom: 2vh;
}
.input-div,
.btn-div {
text-align: center;
vertical-align: middle;
}
.input-div label {
position: absolute;
left: 1rem;
top: .5rem;
font-size: 1rem;
transition: 0.2s;
}
.input-div input:focus ~ label,
.input-div input:valid ~ label {
left: 0;
top: -0.9rem;
font-size: 0.9rem;
}
.btn-div button {
outline: none;
border: none;
margin-top: 3vh;
width: 90%;
box-sizing: border-box;
padding: 10px;
border-radius: 8px;
box-shadow: 3px 3px 5px #999999;
background-color: #4bbec6;
color: white;
font-size: 16px;
}
.input-div input {
padding: 0 1rem;
outline: none;
caret-color: #ffffff;
color:#ffffff;
border: none;
background-color: transparent;
border-bottom: 1px solid #4bbec6;
font-size: 1.1rem;
}
@media (max-width: 768px){
.input-div input {
width: 55vw;
height: 5vh;
}
}
@media (min-width: 768px){
.input-div input {
width: 30vw;
height: 5vh;
}
}
@media (min-width: 1200px){
.input-div input {
width: 15vw;
height: 5vh;
}
}
</style>
</head>
<body>
<div class="login-div">
<div class="form-title">登录</div>
<form action="" id="login-form">
<div class="input-div">
<input type="text" id="carpoolername-input" required /> <label>用户名</label>
</div>
<div class="input-div">
<input type="password" id="password" required autocomplete="off" /> <label>密码</label>
</div>
<div class="btn-div">
<button id="submit-btn" type="button">登录</button>
</div>
</form>
</div>
</body>
</html>
