
* 겪고 있는 문제 상황을 최대한 자세하게 작성해주세요.
* 문제 해결을 위해 어떤 시도를 해보았는지 구체적으로 함께 알려주세요.
카드그리드를 하려고 하는데 정렬이 안됩니다

작성한 코드 및 에러 메세지
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta name="viewport"
content="width=device-width, height=device-height,
minimum-scale=1.0, maximum-scale=1.0, initial-scale=1.0">
<title>Insert title here</title>
<style>
div {
width: 40%;
height: 200px;
border: 1px solid #000;
}
div.left {
width: 30%;
float: left;
box-sizing: border-box;
}
div.right {
width: 70%;
float: right;
box-sizing: border-box;
}
.btn {
border: none;
display: block;
text-align: center;
cursor: pointer;
text-transform: uppercase;
outline: none;
overflow: hidden;
position: relative;
color: #fff;
font-weight: 100;
font-size: 15px;
background-color: #222;
padding: 8px 8px;
margin: 0 auto;
box-shadow: 0 5px 15px rgba(0,0,0,0.20);
}
.btn span {
position: relative;
z-index: 1;
}
.btn:after {
content: "";
position: absolute;
left: 0;
top: 0;
height: 490%;
width: 140%;
background: #78c7d2;
-webkit-transition: all .5s ease-in-out;
transition: all .5s ease-in-out;
-webkit-transform: translateX(-98%) translateY(-25%) rotate(45deg);
transform: translateX(-98%) translateY(-25%) rotate(45deg);
}
.btn:hover:after {
-webkit-transform: translateX(-9%) translateY(-25%) rotate(45deg);
transform: translateX(-9%) translateY(-25%) rotate(45deg);
}
.btn-3 {
background: rgb(0,172,238);
background: linear-gradient(0deg, rgba(0,172,238,1) 0%, rgba(2,126,251,1) 100%);
width: 130px;
height: 40px;
line-height: 42px;
padding: 0;
border: none;
}
.btn-3 span {
position: relative;
display: block;
width: 100%;
height: 100%;
}
.btn-3:before,
.btn-3:after {
position: absolute;
content: "";
right: 0;
top: 0;
background: rgba(2,126,251,1);
transition: all 0.3s ease;
}
.btn-3:before {
height: 0%;
width: 2px;
}
.btn-3:after {
width: 0%;
height: 2px;
}
.btn-3:hover{
background: transparent;
box-shadow: none;
}
.btn-3:hover:before {
height: 100%;
}
.btn-3:hover:after {
width: 100%;
}
.btn-3 span:hover{
color: rgba(2,126,251,1);
}
.btn-3 span:before,
.btn-3 span:after {
position: absolute;
content: "";
left: 0;
bottom: 0;
background: rgba(2,126,251,1);
transition: all 0.3s ease;
}
.btn-3 span:before {
width: 2px;
height: 0%;
}
.btn-3 span:after {
width: 0%;
height: 2px;
}
.btn-3 span:hover:before {
height: 100%;
}
.btn-3 span:hover:after {
width: 100%;
}
.img-thumbnail{
width:100%;
height:100%;
object-fit:cover;
}
</style>
</head>
<body>
<div>
<div class="left">
<img src="..." class="img-thumbnail">
</div>
<div class="right">
<p>▷name:</p>
<p>▷e-mail:</p>
<p>▷position:</p>
<p>▷stack:</p>
<button class="btn" onclick="location.href='' "><span>프로필 수정</span></button>
</div>
</div>
<h4>나만의 게시글</h4>
<button class="custom-btn btn-3" onclick="location.href='' ">게시글 수정</button>
<div class="row row-cols-1 row-cols-md-3 g-4">
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text"></p>
</div>
<div class="card-footer">
<small class="text-muted"></small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text"></p>
</div>
<div class="card-footer">
<small class="text-muted"></small>
</div>
</div>
</div>
<div class="col">
<div class="card h-100">
<img src="..." class="card-img-top" alt="...">
<div class="card-body">
<h5 class="card-title">Card title</h5>
<p class="card-text"></p>
</div>
<div class="card-footer">
<small class="text-muted"></small>
</div>
</div>
</div>
</div>
</body>
</html>
오류 발생 시, 작성한 코드 전체와 에러 메시지를 첨부해 주세요.
드박스를 만들어 보세요.
Tip 2) Ctrl+A(맥의 경우 Command+A) 단축키로 코드를 한 번에 선택할 수 있어요!
