body {
    font-family: "Lato", Arial, "Open Sans", "微軟正黑體", "新細明體","細明體", "Noto Sans TC", "LiHei Pro", sans-serif;
}



.main-head{
    height: 150px;
    background: #FFF;
   
}

.sidenav {
    height: 100%;
    background-color: rgba(244, 255, 205, 0.5);
    /*background-image: url(../imgs/sidenav_bg.jpg);*/
    background-blend-mode: multiply;
    background-size: cover;
    overflow-x: hidden;
    /*padding-top: 20px;    */
}




.main {
    padding: 0px;   

}
.maintitle {
    background: rgba(240,250,250,0.9);
}

@media screen and (max-height: 450px) {
    .sidenav {padding-top: 15px;}
}

@media screen and (max-width: 450px) {
    .login-form{
        margin-top: 10%;
    }

    .register-form{
        margin-top: 10%;
    }
}

@media screen and (min-width: 768px){
    .main{
        margin-left: 25%; 
    }

    .sidenav{
        width: 25%;
        position: fixed;
        z-index: 1;
        top: 0;
        left: 0;
    }

    .login-form{
        margin-top: 80%;
    }

    .register-form{
        margin-top: 20%;
    }
}


.login-main-text{
    margin-top: 20%;
    padding: 60px;
    color: #fff;
}

.login-main-text h2{
    font-weight: 300;
}

.btn-black{
    background-color: #000 !important;
    color: #fff;
}