body{
    color: #000000;
    background-color: #ecf0f3;
}
.topbar{
    display: flex;
    align-items: center;
}
.app-logo{
    display: flex;
    place-items: center;
    margin-left: 10px;
}
.app-logo-a{
    color: inherit;
    text-decoration: none;
}
.app-icon{
    width: 50px;
    height: 50px;
    margin-right: 10px;
    display: block;
}
.navber{
    font-size: 20px;
    margin-top: 20px;
    margin-right: 10%;
    margin-left: auto;
}
.nbo{
    margin-right: 15px;
    color: #303030;
    text-decoration: none;
}
.nbco{
    margin-right: 15px;
    color: #303030;
    text-decoration: underline;
}
.nbo:hover{
    color: #1877F2;
    font-weight: bold;
}
.nbco:hover{
    color: #1877F2;
    font-weight: bold;
}
.crn{
    text-align: center;
}