Generated by SassMeister.com.

SassMeister-input.scss

// ----
// Sass (v3.4.21)
// Compass (v1.0.3)
// ----

$colors: (
  // primary:    #4caefe,

  primary2: linear-gradient(to right, #0fe2f3, #4caefe),
  secondary:  #32db64,
  danger:     #f53d3d,
  light:      #fff,
  dark:       #222
);
.play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 60px;
    height: 60px;
    border: 1px solid map-get($colors, primary);
    border-radius: 50%;
    background-color: transparent;
    background: map-get($colors, primary2);

    .ion-md-icon-play_1 {
        margin-left: 3px;
    }
}

SassMeister-output.css

.play-btn {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border: 1px solid;
  border-radius: 50%;
  background-color: transparent;
  background: linear-gradient(to right, #0fe2f3, #4caefe);
}
.play-btn .ion-md-icon-play_1 {
  margin-left: 3px;
}