h1 {
    text-align: center;
    padding: 20px;
    position: relative;
    color: orange;
}

    h1:before {
        content: attr(data-line);
        position: absolute;
        z-index: 10;
        color: red;
        -webkit-mask: linear-gradient(to left, red, transparent );
    }
.Login_L {
    text-align: right;
    width: calc(40% - 10px);
    float: left;
    clear: left;
    padding-right: 10px;
    margin:10px 0;
}

.Login_R {
    text-align: left;
    width: 60%;
    float: left;
    clear: right;
    margin: 10px 0;
}
.Login_mobi, .Login_code {
    height: 24px;
    border: 1px solid rgba(204,204,244,1);
    border-radius: 10px;
    padding-left: 10px;
    font-size: 16px;
}
.Login_mobi {
    width:160px;
}
.Login_code{
    width:80px;
  }

.Login_Submit {
    text-align: center;
    padding: 10px 0;
    height: 30px;
    clear: both;
}

    .Login_Submit input {
        border: 1px solid rgba(204,204,244,1);
        border-radius: 10px;
        font-size: 18px;
    }