實現效果：
代碼：
<html><head>
<title></title>
<style type="text/css">
/**綠色勾*/
.myicon-tick-checked {
display: inline-block;
position: relative;
width: 15px;
height: 15px;
border-radius: 50%;
background-color: #2ac845;
}
/**灰色勾*/
.myicon-tick-uncheck {
display: inline-block;
position: relative;
width: 15px;
height: 15px;
border-radius: 50%;
background-color: #5f646e;
}
.myicon-tick-checked:before, .myicon-tick-checked:after,.myicon-tick-uncheck:before,.myicon-tick-uncheck:after {
content: '';
pointer-events: none;
position: absolute;
color: white;
border: 1px solid;
background-color: white;
}
.myicon-tick-checked:before,.myicon-tick-uncheck:before {
width: 1px;
height: 1px;
left: 25%;
top: 50%;
transform: skew(0deg,50deg);
}
.myicon-tick-checked:after,.myicon-tick-uncheck:after {
width: 3px;
height: 1px;
left: 45%;
top: 42%;
transform: skew(0deg,-50deg);
}
</style>
</head>
<body>
<span class="myicon-tick-checked"></span>
<span class="myicon-tick-uncheck"></span>
</body>
</html>