SOURCE

console 命令行工具 X clear

                    
>
console
<div class="parent">

    <button class="box">Yes!</button>

     <button class="box ok">ok!</button>
      <button class="box cancel">cancel!</button>
</div>
.parent{
    font-size: 40px
}

.box{
    padding: .3em .8em;
    border: 1px solid rgba(0,0,0,.1);
    background: #58a linear-gradient(hsla(0,0%,100%,.2),
    transparent);
    border-radius: .2em;
    box-shadow: 0 .05em .25em rgba(0,0,0,.5);
    color: white;
    text-shadow: 0 -.05em .05em rgba(0,0,0,.5);
    font-size: 125%;
    line-height: 1.5;
}
.ok{
    background-color: #6b0;
}
.cancel{
    background-color: #c00;
}