HTML5 中的meter 标签的样式设置
meter {
-webkit-appearance: none;
position: relative;
display: block;
margin: 8px auto;
width: 100px;
height: 17px;
border-radius: 5px;
padding: 4px 5px 4px 5px;
box-sizing: border-box;
background: #000;
-webkit-box-shadow: -1px 0 0 hsla(0,0%,100%,.08);
-webkit-transform-origin: center 8px;
}
meter::-webkit-meter-bar {
background-color: hsl(200,10%,14%);
background-size: 2px 5px;
background-image: -webkit-linear-gradient( 0deg, hsla(0,0%,0%,.4) 1px, hsla(0,0%,0%,0) 1px ),
-webkit-linear-gradient( 90deg, hsla(0,0%,0%,1) 1px, hsla(0,0%,0%,0) 1px );
}
meter::-webkit-meter-optimum-value,
meter::-webkit-meter-suboptimum-value,
meter::-webkit-meter-even-less-good-value {
background-size: inherit;
background-image: inherit;
-webkit-box-shadow: 0 0 10px 2px hsla(200,100%,50%,.4);
-webkit-transition: width 1s cubic-bezier(.20, .10, .20, 1);
}
meter::-webkit-meter-optimum-value { background-color: hsl(200,100%,50%); }
meter::-webkit-meter-suboptimum-value { background-color: hsl(200,100%,50%); }
meter::-webkit-meter-even-less-good-value { background-color: hsl(200,100%,50%); }
meter:hover::-webkit-meter-optimum-value,
meter:hover::-webkit-meter-suboptimum-value,
meter:hover::-webkit-meter-even-less-good-value {
width: 100% !important;
-webkit-transition: width .3s cubic-bezier(.20, .10, .20, 1);
}