.userlogin{
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        display: flex;
        flex-direction: column;
        font-size: 14px;
}
.userlogin-main{
        flex: 1;
        overflow: auto;
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: .6rem;
}
.username{
        width: 100%;
        height: 1rem;
        display: flex;
}
.username>i{
        flex: 1;
}
.username>div{
        flex: 9;
}
.username>button{
        width: 1rem;
        height: .48rem;
        font-size: .28rem;
        line-height: .48rem;
        background: #000;
}