Please help me css

body {
background: linear-gradient(45deg, rgb(118, 201, 255), rgb(247, 255, 222));
margin: 0;
padding: 0;
width: 100%;
height: 100vh;
overflow: clip;
}

.left-mountain {
width: 300px;
height: 300px;
background: linear-gradient(rgb(203, 241, 228), rgb(80, 183, 255));
position: absolute;
transform: skew(0deg, 44deg);
z-index: 2;
margin-top: 100px;
}

.back-mountain {
width: 300px;
height: 300px;
background: linear-gradient(rgb(203, 241, 228), rgb(47, 170, 255));
position: absolute;
z-index: 1;
transform: rotate(45deg);
left: 110px;
top: 225px;
}

.sun {
width: 200px;
height: 200px;
background-color: yellow;
position: absolute;
border-radius: 50%;
top: -75px;
right: -75px;
}

.penguin {
width: 300px;
height: 300px;
margin: auto;
margin-top: 75px;
z-index: 4;
position: relative;
}

.pengiun-head {
width: 150px;
height: 45%;
background: linear-gradient(45deg, gray, rgb(239, 240, 288 ));
}

.ground {
width: 100vw;
height: 400px;
background: linear-gradient(90deg, rgb(88, 175, 236), rgb(182, 255, 255));
z-index: 3;
position: absolute;
margin-top: -58px;
}

Please post the link to the challenge and your full code.

i need help with the .penguin-head selectors - linear gradient…what am I doing wrong>