realize the style of the effect picture, as shown in the figure. The effect is as follows: when input is focused, the div outer frame of serch-box changes color, so it can only be controlled by css, not by js or jq. What should I do?
realize the style of the effect picture, as shown in the figure. The effect is as follows: when input is focused, the div outer frame of serch-box changes color, so it can only be controlled by css, not by js or jq. What should I do?
css does not support selecting parent element pure css. If you can add a sibling element to take charge of the style
.input:focus + .border {
border-color: green;
}@ Li Shishi is feasible. For more information, please refer to a simple example here
https://codepen.io/Ash-sc/pen.
what cannot be done without css, css does not have a child-to-parent selector
css can also change the health of input elements
input:focus
{
background-color:yellow;
} https://caniuse.com/-sharpsearch=f.
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