CSS-de reňkleri rgba arkaly belleýiş

rgb formatyndan başga, rgba formaty hem bar, ol şol bir ýaly işleýär, ýöne dördünji parametr bilen reňke ýarym-şaffaflyk bermäge mümkinçilik berýär. Bu parametr 0 bilen 1 aralygyndaky kesir bahalaryny kabul edýär. Bu ýerde birlik doly şaffaf däl, nol bolsa doly şaffaflyga gabat gelýär.

Geliň mysallar bilen göreliň.

Mysal

Ilki bilen, şeýle bir şaffaf däl blog düzeliň:

html<div id="parent">
  <div id="elem">
    Lorem ipsum dolor sit amet.
  </div>
</div>

css#parent {
  background-image: url("bg.png");
  background-repeat: no-repeat;
  background-size: cover;
  display: inline-block;
  padding: 30px;
}
#elem {
  width: 300px;
  height: 200px;
  border: 20px solid red;
  padding: 10px;
  font-size: 50px;
  font-weight: bold;
  color: rgba(255, 0, 0); /* gyzyl reňk */
}

Результат:

Mysal

Indi ýazy üçin ýarym-şaffaflyk goşalyň:

html<div id="parent">
  <div id="elem">
    Lorem ipsum dolor sit amet.
  </div>
</div>

css#parent {
  background-image: url("bg.png");
  background-repeat: no-repeat;
  background-size: cover;
  display: inline-block;
  padding: 30px;
}
#elem {
  width: 300px;
  height: 200px;
  border: 20px solid red;
  padding: 10px;
  font-size: 50px;
  font-weight: bold;
  color: rgba(255, 0, 0, 0.5); /* ýarym-şaffaf gyzyl reňk */
}

Результат:

Mysal

Indi bolsa, ýarym-şaffaf çäk düzeliň:

html<div id="parent">
  <div id="elem">
    Lorem ipsum dolor sit amet.
  </div>
</div>

css#parent {
  background-image: url("bg.png");
  background-repeat: no-repeat;
  background-size: cover;
  display: inline-block;
  padding: 30px;
}
#elem {
  width: 300px;
  height: 200px;
  border: 20px solid rgba(255, 0, 0, 0.5); /* ýarym-şaffaf gyzyl reňk */
  padding: 10px;
  font-size: 50px;
  font-weight: bold;
  color: red;
}

Результат:

Mysal

Indi bolsa, ýarym-şaffaf fon düzeliň:

html<div id="parent">
  <div id="elem">
    Lorem ipsum dolor sit amet.
  </div>
</div>

css#parent {
  background-image: url("bg.png");
  background-repeat: no-repeat;
  background-size: cover;
  display: inline-block;
  padding: 30px;
}
#elem {
  width: 300px;
  height: 200px;
  border: 20px solid red;
  background-color: rgba(0, 0, 0, 0.4); /* ýarym-şaffaf gara reňk */
  padding: 10px;
  font-size: 50px;
  font-weight: bold;
  color: red;
}

Результат:

Amaly meseleler