Где у меня ошибка? Выдаёт только 98%.
html,
body {
margin: 0;
padding: 0;
width: 300px;
background-color: #ecf0f1;
font-size: 18px;
font-family: "Arial", sans-serif;
}
.btn {
position: relative;
display: block;
margin: 0 25px;
margin-top: 100px;
padding: 20px 0;
width: 250px;
border: none;
box-sizing: content-box;
background-color: #2c3e50;
color: white;
text-align: center;
text-transform: uppercase;
font: inherit;
line-height: 20px;
box-shadow:
0 20px 0 -10px #2980b9,
0 40px 0 -20px #3498db,
0 -20px 0 -10px #c0392b,
0 -40px 0 -20px #e74c3c,
inset 0 5px 0 0 #2ecc71,
inset 0 -5px 0 0 #16a085;
}
.btn::after{
position: absolute;
content: '';
width: 125px;
height: 60px;
top: 0;
right: 0;
box-shadow:
inset 0 -5px 0 0 #2ecc71,
inset 0 5px 0 0 #61a085;
}