How to Overly Text and Button on an Image - html

Question

I'm trying to place Text and button on an image like this. Can someone help with this.
this is what I have tried. The thing is it does render properly in outlook email
CSS:
.container {
position: relative;
width: 100%;
max-width: 400px;
}
.container img {
width: 100%;
height: auto;
}
.container .btn {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
background-color: #55A646;
color: white;
font-size: 16px;
padding: 12px 24px;
border: none;
cursor: pointer;
border-radius: 5px;
text-align: center;
}
.container .btn:hover {
background-color: #55A646 ;
}
HTML:
<div class="container">
<img src="http://image.com" alt="" style="width:100%">
<button class="btn">Button</button>
</div>

Answer 1

Folow The link: https://www.w3schools.com/howto/howto_css_image_text.asp
/* Container holding the image and the text */
.container {
position: relative;
text-align: center;
color: white;
}
/* Bottom center text */
.bottom-center {
position: absolute;
bottom: 8px;
left: 45%;
}
/* Centered text */
.centered {
position: absolute;
top: 50%;
left: 50%;
transform: translate(-50%, -50%);
}
<div class="container">
<img src="https://cdn.searchenginejournal.com/wp-content/uploads/2019/07/the-essential-guide-to-using-images-legally-online-760x400.png" alt="Snow" style="width:100%;">
<div class="bottom-center">
<button>Bottom Center</button>
</div>
<div class="centered">Centered</div>
</div>

Answer 2

try this instead,
.container {
position: relative;
width: 100%;
max-width: 400px;
}
.container img {
width: 100%;
height: 100%
}
.container .btn {
position: absolute;
bottom: 10px;
left: 50%;
transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
background-color: #55A646;
color: white;
font-size: 16px;
padding: 12px 24px;
border: none;
cursor: pointer;
border-radius: 5px;
text-align: center;
}
.container .btn:hover {
background-color: #00cc00 ;
}
h4{
position: absolute;
top: 40%;
left: 50%;
transform: translate(-50%, -50%);
-ms-transform: translate(-50%, -50%);
color: #fff;
background:#111;
padding: 7px;
}
<div class="container">
<img src="https://i.stack.imgur.com/bf3jO.png" alt="" style="width:100%">
<h4>The table Fan</h4>
<button class="btn">Fan</button>
</div>