CSS outline
outline:4px solid red;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:4px solid;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:32px solid;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:4px dashed green;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:8px solid rgb(255,0,0);
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:8px solid red; border-radius:20px;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline:8px solid rgba(255,0,0,0.5);
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
outline-width:8px; outline-style:solid; outline-color:red;
Lorem ipsum dolor sit amet consectetur adipisicing elit. Soluta, praesentium.
https://developer.mozilla.org/en-US/docs/Web/CSS/outline
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