Испытание: статистика браузеров [19/31] 100% Выполнение не по заданию

body {
width: 550px;
margin: 0;
padding: 0;
font-family: “Arial”, sans-serif;
color: #333333;
background-color: #f5f5f5;
}

main {
position: relative;
display: block;
width: 500px;
height: 300px;
margin: 0 auto;
}

h1 {
margin: 0;
margin-bottom: 10px;
padding: 10px 0;
}

.pie-container {
position: relative;
float: left;
width: 150px;
height: 150px;
border-radius: 50%;
box-shadow: 0 1px 3px rgba(0, 0, 0, 0.8);
}

.pie-container::after {
content: “”;
position: absolute;
top: 25%;
left: 25%;
z-index: 50;
width: 50%;
height: 50%;
color: white;
background-color: #f5f5f5;
border-radius: 50%;
box-shadow: inset 0 0 4px rgba(0, 0, 0, 0.8);
}

.pie {
position: absolute;
width: 100%;
height: 100%;
background-color: #aaaaaa;
border-radius: 50%;
clip: rect(0, 75px, 150px, 0);
}

#safari {
z-index: 10;
background-color: #aaaaaa;
transform: rotate(-20deg);
}

#ie {
z-index: 20;
background-color: #0074d9;
transform: rotate(160deg);
}

#firefox {
z-index: 30;
background-color: #ff851b;
transform: rotate(20deg);
}

#chrome {
z-index: 40;
background-color: #2ecc40;
transform: rotate(100deg);
}

.stats {
float: left;
margin-left: 50px;
}

ul {
list-style: none;
}

li {
position: relative;
margin: 10px 0;
}

li::before {
content: “”;
position: absolute;
top: 2px;
left: -25px;
width: 15px;
height: 15px;
background-color: #aaaaaa;
}

li:nth-child(1)::before {
background-color: #2ecc40;
}

li:nth-child(2)::before {
background-color: #ff851b;
}

li:nth-child(3)::before {
background-color: #0074d9;
}