how to apply linear gradient to text in css

h1 {
  font-size: 72px;
  background: -webkit-linear-gradient(#eee, #333);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.gradient-text {
    background-color: #f3ec78;
    background-image: linear-gradient(45deg, #f3ec78, #af4261);
    background-size: 100%;
    -webkit-background-clip: text;
    -moz-background-clip: text;
    -webkit-text-fill-color: transparent; 
    -moz-text-fill-color: transparent;
}

h1{
  font-size: 72px;
  background: -webkit-linear-gradient(rgb(55, 120, 204), rgb(112, 235, 88));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 {
  font-size: 72px;
  background: -webkit-linear-gradient(#eee, #333);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

h1 {
  font-size: 72px;
  background: -webkit-linear-gradient(#f3ec78, #af4261);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}