#sitebody{
    margin:0 auto;
    margin-top: -80px;
    font-size:13px;
}

#nav-side-bar{
/* background-color; */
/* width:120px; */
/*     height:120px; */
/*     text-align:center; */
line-height:40px;
height: 100%;
width: 250px;
position: fixed;
z-index: 1;
top: 59.6333px;
left: 0;
background: url(../static/img/sidebar.png);
background-size: cover;
overflow-x: hidden;
transition: 0.5s;
}

#nav-side-bar .bar_img {
transform: rotate(270deg);
position: absolute;
right: -110%;
top: 15rem;
z-index: 3;
}

#content{
position: absolute; 
left: 50px; 
top: 60px;
width: calc(100% - 250px);
margin-left: 250px;
/*     border-style:solid; */
}

#content_login {
width: calc(100% - 250px);
height: calc(100vh - 60px);
margin-left: 250px;
background: linear-gradient(105deg, rgba(255, 255, 255, 0.884) 0%, rgba(255, 255, 255, 0.884) 100%, transparent 100%), url(../static/img/technology.jpg);
}


#show_factory_class_1{
border-style:solid;
text-align:center;
}

#show_factory_class_2{
border-style:solid;
text-align:center;
}

.navbar {
box-shadow: 0 2px 2px -2px rgba(0,0,0,.2);
}

.navbar-brand img{
width: 120px;
}

.nav-side-bar ul {
margin-top: 3rem;
margin-left: 2.5rem;
padding-left: 0rem;

}

.nav-side-bar li {
padding: .5rem 0; 

}

.nav-side-bar .side-bar-link {
display: block;
text-decoration-line: none;
font-size: .9rem;
color: white;
padding-left: 2rem;
}

.nav-side-bar .side-bar-link.active, .nav-side-bar .side-bar-link:hover {
background: white;
color: black;
border-top-left-radius: 8px;
border-bottom-left-radius: 8px;
position: relative;
}

.nav-side-bar .side-bar-link.active::after {
position: absolute;
right: 1rem;
top: -2px;
content: ">";
}

.login_form {
display: block;
margin: 5rem auto;
width: 60%;
padding-top: 7rem;
}

.login_form h2 {
text-align: center;
font-size: 2.5rem;
color: #002e86;
margin-bottom: 4rem;
}

.login_form label {
color: #002e86;
}

.login_form input {
border-radius: 10px;
padding-top: .5rem;
padding-bottom: .5rem;
}

.login_form #btn_login,.login_form #btn_register {
display: block;
width: 100%;
border-radius: 10px;
background: #002e86;
border-color: #002e86;
padding-top: .5rem;
padding-bottom: .5rem;
}