效果演示
实现了一个登录页面的样式，包括一个容器、左侧和右侧部分。左侧部分是一个背景图片，右侧部分是一个表单，包括输入框、复选框、按钮和忘记密码链接。整个页面的背景色为白色，容器为一个圆角矩形，表单为一个半透明的背景色，输入框和按钮为白色，边框为1像素的灰色。当鼠标悬停在输入框上时，输入框的边框变为红色。当点击按钮时，按钮的背景色变为蓝色。忘记密码链接为蓝色。整个页面的布局为左右布局，左侧占66%，右侧占34%。
Code
<div class="container">
<div class="left">
<form class="form">
<div class="input-block">
<input class="input" type="text" id="email" required="">
<label for="email">Username</label>
</div>
<div class="input-block">
<input class="input" type="password" id="pass" required="">
<label for="pass">Password</label>
</div>
<div class="input-block">
<span class="forgot"><a href="#">Forgot Password?</a></span>
<button>Submit</button>
</div>
</form>
</div>
<div class="right">
<div class="img"><svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"
viewBox="0 0 731.67004 550.61784" xmlns:xlink="http://www.w3.org/1999/xlink">
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d="M0,334.13393c0,.66003,.53003,1.19,1.19006,1.19H730.48004c.65997,0,1.19-.52997,1.19-1.19,0-.65997-.53003-1.19-1.19-1.19H1.19006c-.66003,0-1.19006,.53003-1.19006,1.19Z"
fill="#3f3d56"></path>
<polygon
points="466.98463 81.60598 470.81118 130.55703 526.26809 107.39339 494.98463 57.60598 466.98463 81.60598"
fill="#a0616a"></polygon>
<circle cx="465.32321" cy="55.18079" r="41.33858" fill="#a0616a"></circle>
<polygon
points="387.98463 440.60598 394.98463 503.39339 345.98463 496.60598 361.98463 438.60598 387.98463 440.60598"
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fill="#2f2e41"></path>
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</svg></div>
</div>
</div>
body {
height: 100vh;
display: flex;
justify-content: center;
align-items: center;
background-color: #e8e8e8;
}
.container {
display: flex;
width: 520px;
height: 500px;
max-width: 99%;
align-items: center;
justify-content: center;
position: relative;
overflow: hidden;
background-color: #ffffff25;
border-radius: 15px;
box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.03);
border: 0.1px solid rgba(128, 128, 128, 0.178);
}
.left {
width: 66%;
height: 100%;
}
.form {
display: flex;
flex-direction: column;
justify-content: center;
height: 100%;
width: 100%;
left: 0;
backdrop-filter: blur(20px);
position: relative;
}
.form::before {
position: absolute;
content: "";
width: 40%;
height: 40%;
right: 1%;
z-index: -1;
background: radial-gradient(circle,
rgb(194, 13, 170) 20%,
rgb(26, 186, 235) 60%,
rgb(26, 186, 235) 100%);
filter: blur(70px);
border-radius: 50%;
}
.right {
width: 34%;
height: 100%;
}
.img {
width: 100%;
height: 100%;
}
.container::after {
position: absolute;
content: "";
width: 80%;
height: 80%;
right: -40%;
background: rgb(157, 173, 203);
background: radial-gradient(circle,
rgba(157, 173, 203, 1) 61%,
rgba(99, 122, 159, 1) 100%);
border-radius: 50%;
z-index: -1;
}
.input,
button {
background: rgba(253, 253, 253, 0);
outline: none;
border: 1px solid rgba(255, 0, 0, 0);
border-radius: 0.5rem;
padding: 10px;
margin: 10px auto;
width: 80%;
display: block;
color: #425981;
font-weight: 500;
font-size: 1.1em;
}
.input-block {
position: relative;
}
label {
position: absolute;
left: 15%;
top: 37%;
pointer-events: none;
color: gray;
}
.forgot {
display: block;
margin: 5px 0 10px 0;
margin-left: 35px;
color: #5e7eb6;
font-size: 0.9em;
}
.input:focus+label,
.input:valid+label {
transform: translateY(-120%) scale(0.9);
transition: all 0.4s;
}
button {
background-color: #5e7eb6;
color: white;
font-size: medium;
box-shadow: 2px 4px 8px rgba(70, 70, 70, 0.178);
}
a {
color: #5e7eb6;
}
.input {
box-shadow: inset 4px 4px 4px rgba(165, 163, 163, 0.315),
4px 4px 4px rgba(218, 218, 218, 0.13);
}
实现思路拆分
body {
height: 100vh; /* 设置body高度为视口高度 */
display: flex; /* 设置body元素为flex布局 */
justify-content: center; /* 设置主轴对齐方式为居中对齐 */
align-items: center; /* 设置交叉轴对齐方式为居中对齐 */
background-color: #e8e8e8; /* 设置背景颜色为灰色 */
}
这段代码设置了整个页面的样式，包括高度、布局方式、对齐方式和背景颜色。
.container {
display: flex; /* 设置容器元素为flex布局 */
width: 520px; /* 设置容器宽度为520像素 */
height: 500px; /* 设置容器高度为500像素 */
max-width: 99%; /* 设置容器最大宽度为99% */
align-items: center; /* 设置交叉轴对齐方式为居中对齐 */
justify-content: center; /* 设置主轴对齐方式为居中对齐 */
position: relative; /* 设置容器元素为相对定位 */
overflow: hidden; /* 设置容器元素超出范围时隐藏溢出部分 */
background-color: #ffffff25; /* 设置容器背景颜色为半透明白色 */
border-radius: 15px; /* 设置容器边框为圆角矩形 */
box-shadow: 0px 0px 30px rgba(0, 0, 0, 0.03); /* 设置容器阴影效果 */
border: 0.1px solid rgba(128, 128, 128, 0.178); /* 设置容器边框为0.1像素的灰色实线 */
}
这段代码设置了登录页面容器的样式，包括布局方式、尺寸、对齐方式、定位方式、溢出处理、背景颜色、边框半径、阴影效果和边框样式。
.left {
width: 66%; /* 设置左侧部分宽度为66% */
height: 100%; /* 设置左侧部分高度为100% */
}
这段代码设置了登录页面左侧部分的样式，包括宽度和高度。
.form {
display: flex; /* 设置表单元素为flex布局 */
flex-direction: column; /* 设置表单元素的主轴方向为垂直方向 */
justify-content: center; /* 设置表单元素的交叉轴对齐方式为居中对齐 */
height: 100%; /* 设置表单元素高度为100% */
width: 100%; /* 设置表单元素宽度为100% */
left: 0; /* 设置表单元素左侧位置为0 */
backdrop-filter: blur(20px); /* 设置表单元素背景模糊程度为20px */
position: relative; /* 设置表单元素为相对定位 */
}
这段代码设置了登录页面表单的样式，包括布局方式、主轴方向、交叉轴对齐方式、高度、宽度、左侧位置、背景模糊程度和定位方式。
.form::before {
position: absolute; /* 设置伪元素为绝对定位 */
content: ""; /* 设置伪元素的内容为空 */
width: 40%; /* 设置伪元素宽度为40% */
height: 40%; /* 设置伪元素高度为40% */
right: 1%; /* 设置伪元素右侧位置为1% */
z-index: -1; /* 设置伪元素的层叠顺序为-1 */
background: radial-gradient(circle,
rgb(194, 13, 170) 20%,
rgb(26, 186, 235) 60%,
rgb(26, 186, 235) 100%); /* 设置伪元素的背景为径向渐变色 */
filter: blur(70px); /* 设置伪元素的模糊程度为70px */
border-radius: 50%; /* 设置伪元素的边框为圆形 */
}
这段代码设置了登录页面表单的背景伪元素的样式，包括位置、大小、位置、层叠顺序、背景、模糊程度和边框半径。
.right {
width: 34%; /* 设置右侧部分宽度为34% */
height: 100%; /* 设置右侧部分高度为100% */
}
这段代码设置了登录页面右侧部分的样式，包括宽度和高度。
.img {
width: 100%; /* 设置图片宽度为100% */
height: 100%; /* 设置图片高度为100% */
}
这段代码设置了登录页面图片的样式，包括宽度和高度。
.container::after {
position: absolute; /* 设置伪元素为绝对定位 */
content: ""; /* 设置伪元素的内容为空 */
width: 80%; /* 设置伪元素宽度为80% */
height: 80%; /* 设置伪元素高度为80% */
right: -40%; /* 设置伪元素右侧位置为-40% */
background: rgb(157, 173, 203); /* 设置伪元素的背景为深蓝色 */
background: radial-gradient(circle,
rgba(157, 173, 203, 1) 61%,
rgba(99, 122, 159, 1) 100%); /* 设置伪元素的背景为径向渐变色 */
border-radius: 50%; /* 设置伪元素的边框为圆形 */
z-index: -1; /* 设置伪元素的层叠顺序为-1 */
}
这段代码设置了登录页面容器的背景伪元素的样式，包括位置、大小、位置、背景、边框半径和层叠顺序。
.input,
button {
background: rgba(253, 253, 253, 0); /* 设置输入框和按钮的背景颜色为透明 */
outline: none; /* 设置输入框和按钮的轮廓线为none */
border: 1px solid rgba(255, 0, 0, 0); /* 设置输入框和按钮的边框为1px红色实线 */
border-radius: 0.5rem; /* 设置输入框和按钮的圆角半径为0.5rem */
padding: 10px; /* 设置输入框和按钮的内边距为10px */
margin: 10px auto; /* 设置输入框和按钮的外边距为10px自动 */
width: 80%; /* 设置输入框和按钮的宽度为80% */
display: block; /* 设置输入框和按钮为块级元素 */
color: #425981; /* 设置输入框和按钮的文本颜色为深蓝色 */
font-weight: 500; /* 设置输入框和按钮的字体粗细为500 */
font-size: 1.1em; /* 设置输入框和按钮的字体大小为1.1em */
}
这段代码设置输入框和按钮的样式，包括背景颜色、轮廓线、边框、圆角半径、内边距、外边距、宽度、块级元素、文本颜色、字体粗细和字体大小。
.input-block {
position: relative;
}
这段代码设置一个相对定位的容器，用于放置输入框和标签。
label {
position: absolute;
left: 15%;
top: 37%;
pointer-events: none;
color: gray;
}
这段代码设置标签的样式，包括绝对定位、距离左侧的距离、距离顶部的距离、指针事件为none、文本颜色为灰色。
.forgot {
display: block;
margin: 5px 0 10px 0;
margin-left: 35px;
color: #5e7eb6;
font-size: 0.9em;
}
这段代码设置忘记密码的样式，包括块级元素、上下外边距、左侧外边距、文本颜色和字体大小。
.input:focus+label,
.input:valid+label {
transform: translateY(-120%) scale(0.9);
transition: all 0.4s;
}
这段代码设置输入框获得焦点或输入有效时的样式，包括标签向上移动120%、缩放0.9倍、过渡效果为all 0.4s。
button {
background-color: #5e7eb6;
color: white;
font-size: medium;
box-shadow: 2px 4px 8px rgba(70, 70, 70, 0.178);
}
这段代码设置按钮的样式，包括背景颜色、文本颜色、字体大小和阴影效果。
a {
color: #5e7eb6;
}
这段代码设置链接的样式，包括文本颜色。
.input {
box-shadow: inset 4px 4px 4px rgba(165, 163, 163, 0.315),
4px 4px 4px rgba(218, 218, 218, 0.13);
}
这段代码设置输入框的样式，包括内阴影和外阴影。内阴影为4px 4px 4px rgba(165, 163, 163, 0.315)，外阴影为4px 4px 4px rgba(218, 218, 218, 0.13)。
