CSS Calc Viewport Units Workaround?

Question

From what I\'ve seen in other answers, CSS viewport units can\'t be used in calc() statements yet. What I would like to achieve is the following statement:

Answer 1

It's working fine.....

div
{
     height: calc(100vh - 8vw);
    background: #000;
    overflow:visible;
    color: red;
}

Check here this css code right now support All browser without Opera

just check this

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