*{
    margin: 0;
    padding: 0;
    text-decoration: none;
}

#background{
    background-image: url(../images/back/back1.jpeg);
    height: 100vh;
    width: 100%;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    z-index: -1;
    position: fixed;
}

header{
    height: 100px;
    width: 100%;
}
.header-main{
    display: block;
    padding: 10px;
    text-align: center;
    font-size: 24px;
    font-weight: 900;
    color: blue;
}


header nav ul{
    display: block;
    margin: 0 auto;
    width: fit-content;
}

header nav ul li{
    display: inline-block;
    float: left;
    list-style: none;
    padding: 0 16px;
}

header nav ul li a{
    font-size: 15px;
    font-weight: 100;
    color: blue;
}

/*------------------------------------------------*/

@media only screen and (min-width: 1000px){
    .header-main{
        
        margin: 30px;
        text-align: left;
        font-size: 30px;
        line-height: 50px;
        padding: 0 20px 0 40px;
        border-right: 4px solid blue;
        float: left;
    }

    header nav ul{
        margin: 0 ;
        float: left;
    }

    header nav ul li{
        display: inline-block;
        float: left;
        list-style: none;
        padding: 0 16px;
    }

    header nav ul li a{
        font-size: 24px;
        font-weight: 100;
        color: blue;
        line-height: 100px;
    }
    
}

/*----------------------------------------------*/

.login-form{
    display: block;
    width: 100%;
    margin: auto;
    margin-top: 250px;
}
.login-form-form{
    margin: 0 auto;
    width: 225px;
    border: 2px solid;
    margin: auto;
}
.login-form-form input{
    border: 1px solid;
    margin-left: 20px;
    margin-top: 20px;
    cursor: pointer;
}
.login-form-form button{
    margin-left: 70px;
    margin-top: 20px;
    margin-bottom: 20px;
    padding: 10px;
    background-color: gold;
    border-radius: 15px;
}
.login-form-form button:hover{
    background-color: goldenrod;
    cursor: pointer;
}