body { background-repeat: no-repeat; background-position: 50% 50%; background-size: cover; position: relative; min-height: 100vh; height: 100%; font-size: 16px; box-sizing: border-box; }

h1 { text-shadow: #fff 0px 0px 10px; }
a { text-decoration: none; }
a div { transition: 0.5s; }
a:hover div { font-weight: bold; background-color: #7bf5ed; transition: 0.5s; }

#naver_search input { opacity: 0.4; height: 50px; border: 0; box-shadow: none; padding-left: 50px; transition: 0.5s; }
#naver_search input:hover { opacity:  0.5; transition: 0.5s; }
#naver_search input:focus { opacity:  1; transition: 0.5s; }
#naver_search span { position: absolute; margin-left: 0; color: #fff; background: none; border: none; font-size: 30px; font-weight: 900; line-height: 30px; height: 50px; transition: 0s; z-index: 10; margin-top: -50px; }
#naver_search input:focus+a span { color: #03cf5d; transition: 0s; }

#google_search input { opacity: 0.4; height: 50px; border: 0; box-shadow: none; padding-left: 50px; transition: 0.5s; }
#google_search input:hover { opacity:  0.5; transition: 0.5s; }
#google_search input:focus { opacity:  1; transition: 0.5s; }
#google_search span { position: absolute; margin-left: 0; color: #fff; background: none; border: none; font-size: 30px; font-weight: 900; line-height: 30px; height: 50px; transition: 0s; z-index: 10; margin-top: -50px; }
#google_search input:focus+a span { color: #4285f4; transition: 0s; }