*{
    margin: 0;
    padding: 0;
    list-style: none;
    box-sizing: border-box;
    font-family: 'Microsoft-Yahei', sans-serif;
}
body{
    height: 100vh;
    background-image: linear-gradient(to right bottom ,#ff8400 ,#4480ff ,#579900);
}
.box{
    position: absolute;
    top: 48%;
    left: 45%;
}

label{
    position: relative;
    width: 200px;
    height: 60px;
    background: linear-gradient(to right bottom ,#34ff4b ,#44ffa5 ,#8edf26);
    border: 2px solid #000;
    background-color: #fff;
    border-radius: 35px;
    text-align: center;
    line-height: 50px;
    cursor: pointer;
    display: block;
    font-size: 22px;
    font-weight: 20px;
    box-shadow: 0 0 25px #000;
    transition: all 0.3s ease;
    /* 文字不选中 */
    user-select: none;
    -webkit-user-select: none;
}
label:hover{
    letter-spacing: 3px;
}    
label::before{
    content: "取消";
    position: absolute;
    width: 100%;
    height: 100%;
    background-image: linear-gradient(to right bottom ,#34ff4b ,#44ffa5 ,#8edf26);
    border-radius: 25px;
    left: 0;
    top: 0;
    /* 文字不被选中 */
    user-select: none;
    -webkit-user-select: none;
    opacity: 0;
    /* 透明的0 */
}
#check{
    display: none;
}
#check:checked ~ label::before{
    opacity: 1;
}
#check:checked ~ .href-icon{
    opacity: 1;
    pointer-events: auto;
    top: -95px;
   
}
.href-icon{
    position: absolute;
    opacity: 0;
    transform: translateX(50px);
    top: 55%;
    left: -90px;
    width: 145%;
    height: 130%;
    text-align: center;
    border-radius: 25px;
    background-color: #fff;
    line-height: 90px;
    transition: all 0.3s ease;
}
/* 制作小三角（用一个正方形旋转45度得来） */
.href-icon::before{
    content: "";
    position: absolute;
    width: 18px;
    height: 18px;
    background-color: #fff;
    left: 46%;
    top: 75px;
    z-index: -1;
    transform: translateY(-9px) rotate(-44deg);
}
/* 修改a链接样式 */
.href-icon span{
    padding-left: 20px;
    size: 30px;
    transition: all 0.3s ease;
}
.href-icon a:nth-child(1){
    color: blue;
}
.href-icon a:nth-child(1){
    color: hotpink;
}
.href-icon a:nth-child(1){
    color: lawngreen;
}
.href-icon a:nth-child(1){
    color: #000;
}