* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Noto Sans KR", sans-serif;
}
body {
    background: #222222;
    color: #ffffff;
    line-height: 1.6;
}

header {
    position: sticky;

    /*아래비치게하기*/
    backdrop-filter: blur(5px);
    background: rgb(55 55 55 / 0.6); /*불투명*/
    /*아래비치게하기*/

    height:0px;
    top: 0;
    color: white;
    padding-left: 32px; 
    padding-right: 32px; 
    color: white;
    padding: 20px;
    display: flex;
    justify-content: center; /*위 아래 정렬??*/
    align-items: center;
}

ul {
	list-style-type: none;
	padding: 0;
}

li {
	display: inline-block;
	margin-left: 16px;
	font-size: 15px;
	font-weight: 300;
}

            header h1 {
                font-size: 2rem;
                margin-bottom: 10px;
            }
            header p {
                font-size: 1rem;
                color: #ccc;
            }

            section {
                max-width: 850px;
                margin: 50px auto;
                padding: 0 20px;
                box-shadow: 0 2px 6px rgba(255, 255, 255, 0.3);
            }

            h2 {
                font-size: 1.8rem;
                margin-bottom: 20px;
                color: #bbbbbb
            }

            .projects,.about {
                margin-bottom: 60px;
                border-radius: 10px; /* 테두리 모서리 둥글게 */
                padding: 20px; /* 안쪽 여백 */
                /*******************/
                /*display: flex; */  /*이거 활성화 하면 projects와 card 사이에 개행 안함*/ 
                /*justify-content: center;*/
                /*border: 1px solid white;*/ /* 테두리 보이게 하기 */
                /*margin: 10px;*/
                /*padding: 10px;*/
                /*height: 100px;*/
                /*******************/
            }

            .about p {
                font-size: 1rem;
                color: #ffffff;
            }
            
			.projects .card {
                background: #333333;
                border-radius: 10px;
                padding: 20px;
                margin-bottom: 20px;
                box-shadow: 0 2px 6px rgba(0, 0, 0, 1);
                transition: transform 0.2s;
            }

            /*.projects .card:hover {  /* 이 부분 나중에 삭제*/
            /*    transform: translateY(-5px);
            }*/

            .projects .card h3 {
                margin-bottom: 10px;
                color: #cccccc;
            }

            /* 링크 스타일 */

            a {
                color: #f0f0f0;
                text-decoration: underline;
                font-weight: 0;
            }

            a:hover {
                color: #c0c0c0;
                text-decoration: underline;
            }

            a:visited {
                color: #ffffff;
            }

            .contact form {
                display: flex;
                flex-direction: column;
                gap: 10px;
            }

            .contact input,
            .contact textarea {
                padding: 10px;
                border: 1px solid #ccc;
                border-radius: 5px;
                font-size: 1rem;
            }

            .contact button {
                background: #222;
                color: white;
                padding: 10px;
                border: none;
                border-radius: 5px;
                font-size: 1rem;
                cursor: pointer;
                transition: background 0.3s;
            }

            .contact button:hover {
                background: #444;
            }

            footer {
                text-align: center;
                padding: 20px;
                background: #222;
                color: #aaa;
                font-size: 0.9rem;
            }
            .yellow{
                color :yellow;
            }
            .darkyello{
                color :rgb(109, 88, 37);
            }

	.parent {
                display: flex;
                justify-content: center;
                border: 1px solid black;
                margin: 1px;
                padding: 10px;
                height: 100px;
            }
            .child {
                width: 100px;
                height: 100px;
                background-color: skyblue;
                border: 1px solid black;
            }

			.yellow{
                color :yellow;
            }
            .darkyellow{
                color :rgb(109, 88, 37);
            }	
			a.title{
				font-weight:600;
				color: #21AF4B;
				text-decoration: none;
			}