[Solved] One sided circle div [closed]

by

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You can use border-top-left-radius and
border-bottom-left-radius:

div {
    height: 200px;
    width: 600px;
    border-top-left-radius: 100px;
    border-bottom-left-radius: 100px;
    background: black;
}
<div></div>

2

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solved One sided circle div [closed]