css
复制代码
* {
border: 0;
box-sizing: border-box;
margin: 0;
padding: 0;
}
:root {
font-size: calc(16px + (24 - 16)*(100vw - 320px)/(1920 - 320));
}
body, button, input {
font: 1em Hind, sans-serif;
line-height: 1.5em;
}
body, input {
color: #171717;
}
body, .search-bar {
display: flex;
}
body {
background: #f1f1f1;
height: 100vh;
}
.search-bar input,
.search-btn,
.search-btn:before,
.search-btn:after {
transition: all 0.25s ease-out;
}
.search-bar input,
.search-btn {
width: 3em;
height: 3em;
}
.search-bar input:invalid:not(:focus),
.search-btn {
cursor: pointer;
}
.search-bar,
.search-bar input:focus,
.search-bar input:valid {
width: 100%;
}
.search-bar input:focus,
.search-bar input:not(:focus) + .search-btn:focus {
outline: transparent;
}
.search-bar {
margin: auto;
padding: 1.5em;
justify-content: center;
max-width: 30em;
}
.search-bar input {
background: transparent;
border-radius: 1.5em;
box-shadow: 0 0 0 0.4em #171717 inset;
padding: 0.75em;
transform: translate(0.5em,0.5em) scale(0.5);
transform-origin: 100% 0;
-webkit-appearance: none;
-moz-appearance: none;
appearance: none;
}
.search-bar input::-webkit-search-decoration {
-webkit-appearance: none;
}
.search-bar input:focus,
.search-bar input:valid {
background: #fff;
border-radius: 0.375em 0 0 0.375em;
box-shadow: 0 0 0 0.1em #d9d9d9 inset;
transform: scale(1);
}
.search-btn {
background: #171717;
border-radius: 0 0.75em 0.75em 0 / 0 1.5em 1.5em 0;
padding: 0.75em;
position: relative;
transform: translate(0.25em,0.25em) rotate(45deg) scale(0.25,0.125);
transform-origin: 0 50%;
}
.search-btn:before,
.search-btn:after {
content: "";
display: block;
opacity: 0;
position: absolute;
}
.search-btn:before {
border-radius: 50%;
box-shadow: 0 0 0 0.2em #f1f1f1 inset;
top: 0.75em;
left: 0.75em;
width: 1.2em;
height: 1.2em;
}
.search-btn:after {
background: #f1f1f1;
border-radius: 0 0.25em 0.25em 0;
top: 51%;
left: 51%;
width: 0.75em;
height: 0.25em;
transform: translate(0.2em,0) rotate(45deg);
transform-origin: 0 50%;
}
.search-btn span {
display: inline-block;
overflow: hidden;
width: 1px;
height: 1px;
}
/* Active state */
.search-bar input:focus + .search-btn,
.search-bar input:valid + .search-btn {
background: #2762f3;
border-radius: 0 0.375em 0.375em 0;
transform: scale(1);
}
.search-bar input:focus + .search-btn:before,
.search-bar input:focus + .search-btn:after,
.search-bar input:valid + .search-btn:before,
.search-bar input:valid + .search-btn:after {
opacity: 1;
}
.search-bar input:focus + .search-btn:hover,
.search-bar input:valid + .search-btn:hover,
.search-bar input:valid:not(:focus) + .search-btn:focus {
background: #0c48db;
}
.search-bar input:focus + .search-btn:active,
.search-bar input:valid + .search-btn:active {
transform: translateY(1px);
}
@media screen and (prefers-color-scheme: dark) {
body, input {
color: #f1f1f1;
}
body {
background: #171717;
}
.search-bar input {
box-shadow: 0 0 0 0.4em #f1f1f1 inset;
}
.search-bar input:focus,
.search-bar input:valid {
background: #3d3d3d;
box-shadow: 0 0 0 0.1em #3d3d3d inset;
}
.search-btn {
background: #f1f1f1;
}
}
css
复制代码
* {
margin: 0;
padding: 0;
box-sizing: border-box;
}
html, body {
width: 100%;
height: 100%;
}
body {
background: #252525;
}
.container {
position: absolute;
margin: auto;
top: 0;
left: 0;
right: 0;
bottom: 0;
width: 300px;
height: 100px;
}
.container .search {
position: absolute;
margin: auto;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 80px;
height: 80px;
background: crimson;
border-radius: 50%;
transition: all 1s;
z-index: 4;
box-shadow: 0 0 25px 0 rgba(0, 0, 0, 0.4);
}
.container .search:hover {
cursor: pointer;
}
.container .search::before {
content: "";
position: absolute;
margin: auto;
top: 22px;
right: 0;
bottom: 0;
left: 22px;
width: 12px;
height: 2px;
background: white;
transform: rotate(45deg);
transition: all 0.5s;
}
.container .search::after {
content: "";
position: absolute;
margin: auto;
top: -5px;
right: 0;
bottom: 0;
left: -5px;
width: 25px;
height: 25px;
border-radius: 50%;
border: 2px solid white;
transition: all 0.5s;
}
.container input {
font-family: "Inconsolata", monospace;
position: absolute;
margin: auto;
top: 0;
right: 0;
bottom: 0;
left: 0;
width: 50px;
height: 50px;
outline: none;
border: none;
background: crimson;
color: white;
text-shadow: 0 0 10px crimson;
padding: 0 80px 0 20px;
border-radius: 30px;
box-shadow: 0 0 25px 0 crimson, 0 20px 25px 0 rgba(0, 0, 0, 0.2);
transition: all 1s;
opacity: 0;
z-index: 5;
font-weight: bolder;
letter-spacing: 0.1em;
}
.container input:hover {
cursor: pointer;
}
.container input:focus {
width: 300px;
opacity: 1;
cursor: text;
}
.container input:focus ~ .search {
right: -250px;
background: #151515;
z-index: 6;
}
.container input:focus ~ .search::before {
top: 0;
left: 0;
width: 25px;
}
.container input:focus ~ .search::after {
top: 0;
left: 0;
width: 25px;
height: 2px;
border: none;
background: white;
border-radius: 0%;
transform: rotate(-45deg);
}
.container input::placeholder {
color: white;
opacity: 0.5;
font-weight: bolder;
}