css的主题,CSS主题切换
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css
@import url("https://fonts.googleapis.com/css?family=Merriweather:400,400i,700");
* {
box-sizing: border-box;
}
body {
font-family: Merriweather, serif;
}
label,
main {
background: var(--bg, white);
color: var(--text, black);
}
main {
--gradDark: hsl(144, 100%, 89%);
--gradLight: hsl(42, 94%, 76%);
background: linear-gradient(to bottom, var(--gradDark), var(--gradLight));
padding: 120px 40px 40px 40px;
min-height: 100vh;
text-align: center;
}
.wrapper {
max-width: 700px;
margin: 0 auto;
}
.theme-switch__input:checked ~ main,
.theme-switch__input:checked ~ label {
--text: white;
}
.theme-switch__input:checked ~ main {
--gradDark: hsl(198, 44%, 11%);
--gradLight: hsl(198, 39%, 29%);
}
.theme-switch__input,
.theme-switch__label {
position: absolute;
z-index: 1;
}
.theme-switch__input {
opacity: 0;
}
.theme-switch__input:hover + .theme-switch__label, .theme-switch__input:focus + .theme-switch__label {
background-color: lightSlateGray;
}
.theme-switch__input:hover + .theme-switch__label span::after, .theme-switch__input:focus + .theme-switch__label span::after {
background-color: #d4ebf2;
}
.theme-switch__label {
padding: 20px;
margin: 60px;
transition: background-color 200ms ease-in-out;
width: 120px;
height: 50px;
border-radius: 50px;
text-align: center;
background-color: slateGray;
box-shadow: -4px 4px 15px inset rgba(0, 0, 0, 0.4);
}
.theme-switch__label::before, .theme-switch__label::after {
font-size: 2rem;
position: absolute;
transform: translate3d(0, -50%, 0);
top: 50%;
}
.theme-switch__label::before {
content: '\263C';
right: 100%;
margin-right: 10px;
color: orange;
}
.theme-switch__label::after {
content: '\263E';
left: 100%;
margin-left: 10px;
color: lightSlateGray;
}
.theme-switch__label span {
position: absolute;
bottom: calc(100% + 10px);
left: 0;
width: 100%;
}
.theme-switch__label span::after {
position: absolute;
top: calc(100% + 15px);
left: 5px;
width: 40px;
height: 40px;
content: '';
border-radius: 50%;
background-color: lightBlue;
transition: transform 200ms, background-color 200ms;
box-shadow: -3px 3px 8px rgba(0, 0, 0, 0.4);
}
.theme-switch__input:checked ~ .theme-switch__label {
background-color: lightSlateGray;
}
.theme-switch__input:checked ~ .theme-switch__label::before {
color: lightSlateGray;
}
.theme-switch__input:checked ~ .theme-switch__label::after {
color: turquoise;
}
.theme-switch__input:checked ~ .theme-switch__label span::after {
transform: translate3d(70px, 0, 0);
}
