Salut essaye ce code
Private Sub CommandButton1_Click()
Dim ie As SHDocVw.InternetExplorer
Dim doc As MSHTML.HTMLDocument
Dim div As HTMLDivElement
Dim url As String
url = "https://www.turfomania.fr/cheval/help-me-win_913266#null"
Set ie = CreateObject("InternetExplorer.Application")
ie.Visible = True
ie.navigate url
Do Until ie.readyState = 4
DoEvents
Loop
On Error Resume Next
Set doc = ie.document
Set div = ie.document.getElementById("btnDeplier")
div.FireEvent "onclick"
Set doc = Nothing
Set ie = Nothing
End Sub