.nav{
    padding: 50px 0;
}
.submit{
    margin-left: 10%;
}
.margin_t_b{
    margin: 50px 0;
}
.tulisan{
    padding-bottom: 10px;
}
.noborder{
    padding-bottom: 0px;
}
.tengah{
    text-align: center
}
.pad{
padding: 30px 0;
border-left: 1px solid #dee2e6; 
border-right: 1px solid #dee2e6; 
border-bottom: 1px solid #dee2e6; 
margin-bottom: 50px;
}
.img_cover{
    height: 200px;
    object-fit: cover;
    width: 200px;
}
.auth{
    background: #D7CCC8;
}
.form_container{
    padding: 25px 30px;
    background: #FAFAFA;
    margin-top: 10%;
    box-shadow: 0 5px 5px 0 #616161;
    margin-bottom: 5%;
}
.form_login{
    padding: 50px 30px;
    background: white;
    margin-top: 5%;
    box-shadow: 0 5px 5px 0 #616161;
}
.header{
    padding: 10px;
    background:#E0E0E0;
    z-index: 1;
    position: fixed;
    top: 0px;
    left: auto;
    width: 100%;
    padding-bottom: 0px;
    box-shadow: 0 5px 5px 0 #616161;

}
.timer{
    font-size: 50pt; 
    border: 1px solid #616161;
    text-align: center;
}
.table_wrapper{
    overflow-x: auto;
}