*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'poppins', sans-serif;
}
.user-box a{ 
     display: inline-block;
    text-decoration: none;
    color: #fff;
    background: #3f51b5;
    padding: 10px 30px;
    font-size: 18px;
    margin-top: 50px;
    border-radius: 6px;
}.header{
    width: 100%;
    height: 20vh;
    padding: 0 0%;
    background: #f7efef;
    }
    nav{
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 20px 0;
        position: relative;
        z-index: 100;
    }
    nav ul li{
        display: inline-block;
        list-style: none;
        margin: 5px 5px;
        
    }
    nav ul li a{
        text-decoration: none;
        display: inline-block;
        text-decoration: none;
        color: #fff;
        background: #3f51b5;
        padding: 10px 10px;
        font-size: 15px;
        margin-top: 25px;
        border-radius: 4px;
    }