How can I combine gradients on to work on opposite axes? - css

Question

Essentially, I want to create an element that combines a "to right" gradient with a color stop at a certain percentage and another color stop for the remaining width with a "to bottom" gradient that fades both colors to transparent. Getting the color stop part is easy, getting the fade is easy; I just can't figure out how to get both.
/*I can get this:*/
div {
width: 500px;
height: 100px;
}
.color-change {
background: linear-gradient(to right, rgb(255, 175,157) 80%, rgb(255, 95, 89) 80%);
}
/*or this:*/
.fade {
background:linear-gradient(to bottom, rgba(252, 193, 176, 0), #fcc1b0);
/* but not both*/
<div class="color-change"></div>
<div class="fade"></div>
This probably isn't hard but I can't find any examples that do exactly this. I could just use a png., but it seems as though this ought to be doable in CSS. Thanks for any suggestions (or better, solutions).

Answer 1

Use CSS ::before (:before)
In CSS, ::before creates a pseudo-element that is the first child of
the selected element. It is often used to add cosmetic content to an
element with the content property. It is inline by default. https://developer.mozilla.org
div {
width: 500px;
height: 100px;
}
.fade {
background: linear-gradient(to bottom, rgba(252, 193, 176, 0), #fcc1b0);
position: relative;
}
.fade::before {
display: inline-block;
content: "";
height: 100%;
width: 20%;
background: black;
position: absolute;
right: 0;
background: linear-gradient(0deg, rgba(246,115,115,1) 4%, rgba(250,192,194,1) 34%, rgba(255,233,234,1) 66%, rgba(255,255,255,1) 100%);
}
<div class="fade"></div>

Answer 2

Multiple background layer can do it:
.color-change {
--p:80%; /* this is your percentage */
background:
linear-gradient(to bottom, transparent, #fcc1b0) left,
linear-gradient(to bottom, transparent, rgb(255, 95, 89)) right;
background-repeat:no-repeat;
background-size:var(--p) 100%,calc(100% - var(--p)) 100%;
width: 500px;
height: 100px;
margin:10px;
}
<div class="color-change"></div>
<div class="color-change" style="--p:50%"></div>
<div class="color-change" style="--p:20%"></div>

Answer 3

Or you can mask it with a pseudo element. This is real transparent.
body {
background: dodgerblue;
}
div {
width: 500px;
height: 100px;
}
.color-change {
-webkit-mask: linear-gradient(to bottom, transparent, #000);
mask: linear-gradient(to bottom, transparent, #000);
position: relative;
}
.color-change:before {
content: '';
position: absolute;
left: 0;
top: 0;
width: 100%;
height: 100%;
background: linear-gradient(to right, rgb(255, 175, 157) 80%, rgb(255, 95, 89) 80%);
}
<div class="color-change"></div>