body,ul,li,p,h1,h2,h3,h4,h5,h6 {
    margin: 0;
    padding: 0;
}

li {
    list-style: none;
}

a {
    text-decoration: none;
}

input {
    outline: none;
    border: none;
    padding: 0;
}
.pop{
    background:dodgerblue;
    width: 420px;
    border-radius:3px;
    position: absolute;
    top: 0;
    left: 50%;
    transform: translateX(-50%);
}
.top{
    display: flex;
    justify-content: space-between;
    align-content: center;
    padding: 20px 20px 10px;
}
.title{
    font-size: 18px;
}
.content{
    font-size: 14px;
    padding: 30px 20px;
}
.buttom{
    display: flex;
    align-content: center;
    justify-content: flex-end;
    padding: 10px 20px 20px;
}
.buttom button{
    padding: 12px 20px;
    margin-right: 10px;
    border: 1px solid #dcdfe6;
    border-radius: 4px;
}
.back{
    width: 100vw;
    height: 100vw;
    position: relative;
    box-sizing: border-box;
}
.backg{
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}