* {
        margin: 0;
        padding: 0;
        font-family: -apple-system,BlinkMacSystemFont,
            "Segoe UI",Roboto,"Helvetica Neue",Arial,
            "Noto Sans",sans-serif,"Apple Color Emoji",
            "Segoe UI Emoji","Segoe UI Symbol","Noto Color Emoji";
    }
    .header{
        font-size: 18px;
        padding-left: 1%;
        text-align: left;
    }
    .content{
        background-color:#f1f1f1;
        padding: 5% 35% 10% 35%;
        text-align: center;
    }
    .content-image{
        font-size: 16px;
        padding: 2% 5% 2% 5%;
        background-color:#e9faff;
    }
    .content-login{
        font-size: 16px;
        padding:6% 0 10%;
        text-align: center;
        background-color:#ffffff;
    }
    .btn{
        padding: 5px 20px;
        background-color: #4CAF50;
        color: white;
        border: none;
        border-radius: 5px;
        cursor: pointer;
        font-size: 16px;
        transition: background-color 0.3s;
    }