/* Load Custom Font
body,
h1,
h2,
h3,
h4,
h5,
h6,
p {
    font-family: 'Roboto', sans-serif;
}

*/
#button{
  margin-left: auto;
  margin-right: auto;

}

span{
  color:red;
}

header,
footer,
aside,
#center
{
  border: 1px solid;
}

table{
  border-collapse: collapse;

  margin-left: auto;
  margin-right: auto;
}


td, th {
  border: 1px solid ;
  text-align: center;
  padding: 8px;
}

/*
aside {
  float: left;
  text-align : center;
}


content{
  margin:15%;
}






#logo{

}





body{
    background-color: ghostwhite;
    margin: 0;
    display: flex;
    min-height: 100vh;
    flex-direction: column;
}

content {
    display: block;
    flex: 1 0 auto;
    min-height: 400px;
}
#courses th, #courses td {
  border: 1px solid black;
  font-weight: 600;
  font-size: large;
}
.align_middle{
    vertical-align: middle !important;
}

#teachers {
    border:none !important;
}
#teachers  td{
     vertical-align: middle !important;
}

a{
  text-decoration:none;
  }
*/