css overlaying transparent shape on top of image

Question

css overlaying transparent shape on top of image

I am striving to achieve this visual effect

This is my current code:

    #image1 {
    position: absolute;
    bottom: 0px;
    align-self: auto;
    background-color: #dc022e;
    width: 340px;
    height: 100px;
    border-radius: 50% / 100%;
    border-bottom-left-radius: 0;
    /*transform: rotate(10deg);*/
    border-bottom-right-radius: 0;
    opacity: 0.8;
    }
    
    #image2 img {
    width: 80%;
    }

<div>
  <div id="image2">
    <img src="http://t1.gstatic.com/images?q=tbn:ANd9GcThtVuIQ7CBYssbdwtzZjVLI_uw09SeLmyrxaRQEngnQAked5ZB">
  </div>
  <div id="image1"></div>
</div>

I am unsure of how to implement the desired rotation and margin trimming shown in the reference image

css html css-shapes

Answer 1

Answer №1

An easy illustration of this concept involves a pseudo element with the image set as the background.

div {
  position: relative;
  height: 300px;
  width: 500px;
  background: url(http://lorempixel.com/500/300);/*path to image*/
  overflow: hidden;/*conceals the rest of the circle*/
}

div:before {
  content: "";
  position: absolute; /*positioned in relation to div*/
  top: 100%;
  left: 50%;
  width: 0;/*specify value if no hover effect desired*/
  height: 0;
  border-radius: 50%;
  background: tomato;/*can be rgba value (opacity can be removed)*/
  opacity: 0.5;
  transform: translate(-50%, -50%);/*centers it on the image*/
  transition: all 0.4s;
}


/*Demo Only*/
div:hover:before {/*add this to your pseudo declaration to remove hover effect*/
  height: 100%;
  width: 150%;/*makes shape wider than square*/
  transform: translate(-50%, -50%) rotate(5deg);/*center and rotate the shape*/
}
div {/*Additional styling for text*/
  font-size: 40px;
  line-height: 300px;
  text-align: center;
}

<div>HOVER ME</div>

Answer 2

An easy illustration of this concept involves a pseudo element with the image set as the background.

div {
  position: relative;
  height: 300px;
  width: 500px;
  background: url(http://lorempixel.com/500/300);/*path to image*/
  overflow: hidden;/*conceals the rest of the circle*/
}

div:before {
  content: "";
  position: absolute; /*positioned in relation to div*/
  top: 100%;
  left: 50%;
  width: 0;/*specify value if no hover effect desired*/
  height: 0;
  border-radius: 50%;
  background: tomato;/*can be rgba value (opacity can be removed)*/
  opacity: 0.5;
  transform: translate(-50%, -50%);/*centers it on the image*/
  transition: all 0.4s;
}


/*Demo Only*/
div:hover:before {/*add this to your pseudo declaration to remove hover effect*/
  height: 100%;
  width: 150%;/*makes shape wider than square*/
  transform: translate(-50%, -50%) rotate(5deg);/*center and rotate the shape*/
}
div {/*Additional styling for text*/
  font-size: 40px;
  line-height: 300px;
  text-align: center;
}

<div>HOVER ME</div>

Answer 3

Answer №2

Instead of using nested elements, consider utilizing a pseudo element placed at the bottom of the container div. To achieve this effect, ensure the container div has position:relative and overflow:hidden properties set. Remember that pseudo elements require the content declaration.

To adjust the border radius, experiment with adjusting the left | width | height values of the pseudo element without the need for rotation.

Instead of specifying a hex color and opacity, you can opt for the "new" color space by using the rgba(r,g,b,a) format where a represents the opacity value.

For creating a passepartout effect, utilize the border declaration.

#image2{
    position:relative;
    border:10px solid #888;
    overflow:hidden;
    box-shadow:0 0 4px #aaa;
}

#image2::after {
    content:"";
    display:block;
    position: absolute;
    bottom: 0;left:-10%;
    background-color: #dc022e;
    width: 120%;
    height: 60%;
    border-radius: 100% 100% 0 0;
    opacity: 0.8;
}
    
#image2 img {
    width: 100%;
    display:block;
    position:relative;
}

<div id="image2">
    <img src="http://t1.gstatic.com/images?q=tbn:ANd9GcThtVuIQ7CBYssbdwtzZjVLI_uw09SeLmyrxaRQEngnQAked5ZB">
  </div>

Answer 4

Instead of using nested elements, consider utilizing a pseudo element placed at the bottom of the container div. To achieve this effect, ensure the container div has position:relative and overflow:hidden properties set. Remember that pseudo elements require the content declaration.

To adjust the border radius, experiment with adjusting the left | width | height values of the pseudo element without the need for rotation.

Instead of specifying a hex color and opacity, you can opt for the "new" color space by using the rgba(r,g,b,a) format where a represents the opacity value.

For creating a passepartout effect, utilize the border declaration.

#image2{
    position:relative;
    border:10px solid #888;
    overflow:hidden;
    box-shadow:0 0 4px #aaa;
}

#image2::after {
    content:"";
    display:block;
    position: absolute;
    bottom: 0;left:-10%;
    background-color: #dc022e;
    width: 120%;
    height: 60%;
    border-radius: 100% 100% 0 0;
    opacity: 0.8;
}
    
#image2 img {
    width: 100%;
    display:block;
    position:relative;
}

<div id="image2">
    <img src="http://t1.gstatic.com/images?q=tbn:ANd9GcThtVuIQ7CBYssbdwtzZjVLI_uw09SeLmyrxaRQEngnQAked5ZB">
  </div>

Answer 5

Answer №3

To achieve the desired effect, consider using position: absolute for your image and position: relative for your overlay. Adjust the top position and width as needed. Check out this helpful Fiddle for reference.

Edit: An updated version of the Fiddle showcases border and overflow properties on the img container. Keep in mind that rotating a circle may not be the most efficient solution. Consider utilizing a pseudo element instead of nesting images for a cleaner approach.

Answer 6

To achieve the desired effect, consider using position: absolute for your image and position: relative for your overlay. Adjust the top position and width as needed. Check out this helpful Fiddle for reference.

Edit: An updated version of the Fiddle showcases border and overflow properties on the img container. Keep in mind that rotating a circle may not be the most efficient solution. Consider utilizing a pseudo element instead of nesting images for a cleaner approach.

css overlaying transparent shape on top of image

Answer №1

Answer №2

Answer №3

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