html,
 body {
     height: 100%;
 }

 .wrap {
     min-height: 100%;
     height: auto;
     margin: 0 auto -60px;
     padding: 0 0 60px;
 }

 .wrap>.container {
     padding: 70px 15px 20px;
 }

 .footer {
     height: 60px;
     background-color: #181c32;
     border-top: 1px solid #ddd;
     padding-top: 20px;
     color: #ddd;
 }

 .footer a {
     color: #ddd;
 }

 .jumbotron {
     text-align: center;
     background-color: transparent;
 }

 .jumbotron .btn {
     font-size: 21px;
     padding: 14px 24px;
 }

 .not-set {
     color: #c55;
     font-style: italic;
 }

 /* add sorting icons to gridview sort links */
 a.asc:after,
 a.desc:after {
     position: relative;
     top: 1px;
     display: inline-block;
     font-family: 'Glyphicons Halflings';
     font-style: normal;
     font-weight: normal;
     line-height: 1;
     padding-left: 5px;
 }

 a.asc:after {
     content:
         /*"\e113"*/
         "\e151";
 }

 a.desc:after {
     content:
         /*"\e114"*/
         "\e152";
 }

 .sort-numerical a.asc:after {
     content: "\e153";
 }

 .sort-numerical a.desc:after {
     content: "\e154";
 }

 .sort-ordinal a.asc:after {
     content: "\e155";
 }

 .sort-ordinal a.desc:after {
     content: "\e156";
 }

 .grid-view th {
     white-space: nowrap;
 }

 .hint-block {
     display: block;
     margin-top: 5px;
     color: #999;
 }

 .error-summary {
     color: #a94442;
     background: #fdf7f7;
     border-left: 3px solid #eed3d7;
     padding: 10px 20px;
     margin: 0 0 15px 0;
 }

 /* align the logout "link" (button in form) of the navbar */
 .nav li>form>button.logout {
     padding: 15px;
     border: none;
 }

 @media(max-width:767px) {
     .nav li>form>button.logout {
         display: block;
         text-align: left;
         width: 100%;
         padding: 10px 15px;
     }
 }

 .nav>li>form>button.logout:focus,
 .nav>li>form>button.logout:hover {
     text-decoration: none;
 }

 .nav>li>form>button.logout:focus {
     outline: none;
 }

 .biblioteca {

     display: flex;
     flex-direction: column;

 }

 .biblioteca h1,
 h2,
 h3,
 h4 {
     text-align: center;
 }

 .biblioteca ol {
     font-family: Verdana, Geneva, Tahoma, sans-serif;
     font-size: x-large;
     color: #337ab7;
 }

 .box1 {
     order: 0;

 }

 .box2 {
     order: 0;
 }

 .box2 h3 {
     text-align: justify;

 }

 .box3 {
     order: 0;
     color: #337ab7;

 }

 .biblioteca img {
     float: right;
     margin-top: 20px;
     padding-left: 20px;
 }

 .autor {
     background-color: rgb(204, 204, 255);
     text-align: center;
 }


 .titulo {
     color: #337ab7;
     font-size: 32pt;
     font-weight: bold;
     font-family: Verdana, Geneva, Tahoma, sans-serif;

 }

 a.titulo:hover,
 a.titulo:focus {
     color: #286090;
 }

 .sub-titulo {
     color: #337ab7;
     font-family: Verdana, Geneva, Tahoma, sans-serif;

     font-weight: bold;
 }

 .texto-conteudo {
     font-family: Verdana, Geneva, Tahoma, sans-serif;
     font-size: x-large;
     text-align: justify;
     text-indent: 50px;
     /* background-color: #ffffe5; */
 }

 .texto-conteudo p {
     margin-top: 10px;
 }

 .notas {
     font-family: Verdana, Geneva, Tahoma, sans-serif;
     font-size: 15px;
     text-align: justify;
 }

 .imag {
     width: 60%;
     margin: auto;
     display: block;
 }

 .titulo-pg {
     color: #1229ac;
     font-family: 'Poppins', sans-serif;
     text-align: center;
     font-size: 32pt;
     font-weight: bold;

 }

 .texto-pg p {
     color: #000520;
     font-size: 22px;
     text-align: justify;
     text-indent: 50px;
     margin-top: 10px;
     font-family: 'Poppins', sans-serif;
 }


 .texto-lib {
     font-family: 'Poppins', sans-serif;
     text-align: center;
     font-size: x-large;
     font-weight: bold;
 }

 .texto-pg ul {
     color: #000520;

     font-size: 22px;
     text-align: justify;
     text-indent: 10px;
     margin-top: 10px;
     margin-left: 60px;
     font-family: 'Poppins', sans-serif;
 }

 .d-flex {
     display: -ms-flexbox !important;
     display: flex !important;
 }

 .align-self-center {
     -ms-flex-item-align: center !important;
     align-self: center !important;
 }

 .img-fluid {
     max-width: 100%;
     height: auto;
 }

 .btn-primary {
     background-color: #007bff;
 }

 .btn-primary:focus,
 .btn-primary.focus {
     color: #fff;
     background-color: #0062cc;
     border-color: #122b40;
 }

 .btn-primary:hover {
     color: #fff;
     background-color: #0062cc;
     border-color: #204d74;
 }

 .bg-primary {
     color: #fff;
     background-color: #007bff;
 }

 a.bg-primary:hover,
 a.bg-primary:focus {
     background-color: #0062cc;
 }



 .bg-b {
     color: #fff;
     background-color: #007bff;
 }

 .bg-prof {
     color: #fff;
     background-color: #398ae1;
 }

 .bg-aluno {
     color: #fff;
     background-color: #5aa2eb;
 }

 .bg-admin {
     color: #fff;
     background-color: #1772d7;
 }

 .bg-admin:focus,
 .bg-prof:focus,
 .bg-aluno:focus,
 .bg-admin.focus,
 .bg-prof:focus,
 .bg-aluno:focus {
     color: #fff;
     background-color: #0062cc;
     border-color: #122b40;
 }

 .bg-admin:hover,
 .bg-prof:hover,
 .bg-aluno:hover {
     color: #fff;
     background-color: #0062cc;
     border-color: #204d74;
 }

 .bg-turma {
     color: #fff;
     background-color: #128d4e;
 }

 .bg-question {
     color: #fff;
     background-color: #097b3d;
 }

 .bg-ranking {
     color: #fff;
     background-color: #00692d;
 }

 .bg-turma:focus,
 .bg-question:focus,
 .bg-ranking:focus,
 .bg-turma.focus,
 .bg-question:focus,
 .bg-ranking:focus {
     color: #fff;
     background-color: #1e7e34;
     border-color: #122b40;
 }

 .bg-turma:hover,
 .bg-question:hover,
 .bg-ranking:hover {
     color: #fff;
     background-color: #06a32b;
     border-color: #204d74;
 }

 .texto-question {
    color: #000520;
    font-size: 20px;
    font-weight: bold;
    text-align: justify;
    font-family: 'Poppins', sans-serif;
}
.texto-question p{
    font-size: 18px;
    font-weight: normal;
}