HTML+CSS实现自适应登录界面星球风

效果展示

完整源码

HTML

<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<link rel="stylesheet" href="css/style.css">
</head>
<body>
<div class="box">
<div class="content">
<div class="login-wrapper">
<h1>登录</h1>
<div class="login-form">
<div class="username form-item">
<span>使用邮箱或者手机号</span>
<input type="text" class="input-item">
</div>
<div class="password form-item">
<span>密码</span>
<input type="password" class="input-item">
</div>
<button class="login-btn">登 录</button>
</div>
<div class="divider">
<span class="line"></span>
<span class="divider-text">其他方式登录</span>
<span class="line"></span>
</div>
<div class="other-login-wrapper">
<div class="other-login-item">
<img src="img/QQ.png" alt="">
</div>
<div class="other-login-item">
<img src="img/WeChat.png" alt="">
</div>
</div>
</div>
</div>
</div>
</body>
</html>

CSS

@charset "UTF-8";
* {
  margin: 0;
  padding: 0;
}

/*公共CSS*/
.box {
  width: 100vw;
  height: 100vh;
  background-color: rgb(29, 67, 89);
}
.box .content .login-wrapper h1 {
  text-align: center;
}
.box .content .login-wrapper .login-form .form-item {
  margin: 20px 0;
}
.box .content .login-wrapper .login-form .form-item span {
  display: block;
  margin: 5px 20px;
  font-weight: 100;
}
.box .content .login-wrapper .login-form .form-item .input-item {
  width: 100%;
  border-radius: 40px;
  padding: 20px;
  box-sizing: border-box;
  font-size: 20px;
  font-weight: 200;
}
.box .content .login-wrapper .login-form .form-item .input-item:focus {
  outline: none;
}
.box .content .login-wrapper .login-form .login-btn {
  width: 100%;
  border-radius: 40px;
  color: #fff;
  border: 0;
  font-weight: 100;
  margin-top: 10px;
  cursor: pointer;
}
.box .content .login-wrapper .divider {
  width: 100%;
  margin: 20px 0;
  text-align: center;
  display: flex;
  align-items: center;
  justify-content: center;
}
.box .content .login-wrapper .divider span:nth-child(1) {
  flex: 1;
}
.box .content .login-wrapper .divider span:nth-child(3) {
  flex: 1;
}
.box .content .login-wrapper .divider .line {
  display: inline-block;
  max-width: 30%;
  width: 30%;
}
.box .content .login-wrapper .divider .divider-text {
  vertical-align: middle;
  margin: 0px 20px;
  line-height: 0px;
  display: inline-block;
  width: 100px;
}
.box .content .login-wrapper .other-login-wrapper {
  width: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.box .content .login-wrapper .other-login-item {
  border: 1px solid rgb(214, 222, 228);
  padding: 10px;
  margin: 10px;
  cursor: pointer;
}

/*一般大于手机的尺寸CSS*/
@media (min-width: 767px) {
  .box {
    background-color: rgb(29, 67, 89);
  }
  .box .content {
    width: 85vw;
    height: 90vh;
    background: url("../img/login_two.jpg") no-repeat;
    background-size: 90% 100%;
    position: absolute;
    right: 15%;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border-radius: 20px;
    background-color: #fff;
  }
  .box .content .login-wrapper {
    width: 25vw;
    position: absolute;
    right: 15%;
    top: 50%;
    transform: translateY(-50%);
  }
  .box .content .login-wrapper h1 {
    text-align: center;
    font-size: 45px;
    color: rgb(81, 100, 115);
    margin-bottom: 40px;
  }
  .box .content .login-wrapper .login-form {
    margin: 10px 0;
  }
  .box .content .login-wrapper .login-form .form-item span {
    color: rgb(81, 100, 115);
  }
  .box .content .login-wrapper .login-form .form-item .input-item {
    height: 60px;
    border: 1px solid rgb(214, 222, 228);
  }
  .box .content .login-wrapper .login-form .login-btn {
    height: 50px;
    background-color: rgb(59, 72, 89);
    font-size: 20px;
  }
  .box .content .login-wrapper .divider .line {
    border-bottom: 1px solid rgb(214, 222, 228);
  }
  .box .content .login-wrapper .other-login-item {
    border-radius: 20px;
  }
  .box .content .login-wrapper .other-login-item img {
    width: 40px;
    height: 40px;
  }
}
/*手机端CSS*/
@media (max-width: 768px) {
  .box .content {
    width: 100vw;
    height: 100vh;
    background: url("../img/login_bg_phone.png") no-repeat;
    background-size: 100% 100%;
    display: flex;
    align-items: flex-start;
    justify-content: center;
  }
  .box .content .login-wrapper {
    width: 70%;
    height: 60%;
    padding-top: 15%;
  }
  .box .content .login-wrapper h1 {
    font-size: 30px;
    color: #fff;
  }
  .box .content .login-wrapper .login-form .form-item {
    margin: 10px 0;
  }
  .box .content .login-wrapper .login-form .form-item span {
    color: rgb(113, 129, 141);
  }
  .box .content .login-wrapper .login-form .form-item .input-item {
    height: 30px;
    border: 1px solid rgb(113, 129, 141);
    background-color: transparent;
    color: #fff;
  }
  .box .content .login-wrapper .login-form .login-btn {
    height: 40px;
    background-color: rgb(235, 95, 93);
    font-size: 16px;
  }
  .box .content .login-wrapper .divider .line {
    border-bottom: 1px solid #fff;
  }
  .box .content .login-wrapper .divider .divider-text {
    color: #fff;
  }
  .box .content .login-wrapper .other-login-item {
    border-radius: 15px;
  }
  .box .content .login-wrapper .other-login-item img {
    width: 35px;
    height: 35px;
  }
}/*# sourceMappingURL=style.css.map */