如何实现让CSS边框发光的高亮效果

html-css040

如何实现让CSS边框发光的高亮效果,第1张

div{width: 200pxheight: 200pxbackground: #dadadaborder:5px solid redanimation: shine 1s alternate infinite}

@keyframes shine{

from{border-color: rgba(0,0,0,0)}

to{border-color: rgba(0,0,0,1)}

}

div{width: 200pxheight: 200pxbackground: #dadadaborder:5px solid redanimation: shine 1s alternate infinite}

@keyframes shine{

from{border-color: rgba(0,0,0,0)}

to{border-color: rgba(0,0,0,1)}

}