.flex-container {
 
  list-style: none;
    
  
  display: -webkit-box;
  display: -ms-flexbox;
  display: flex;
  
  -webkit-flex-flow: row wrap;
    max-width: 680px;
    padding-bottom: 30px;
    padding-top: 0px;
    margin-top: 100px;
  
  
}

.flex-item {
  
  max-width:  680px;
  min-width: 170px;
  color: black;
    

}
#carrera{
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    width: 95%;
    margin: 100px auto 50px;
    -ms-flex-pack: distribute;
        justify-content: space-around;
    
}
#bannerheader{
    width: 100%;
    max-width: 800px;
    background-color: #F29421;
    padding-bottom: 20px;
    padding-left: 20px;
    color: white;
    font-size: 15pt;
    font-family: raleway 700 sans-serif;
}
#bannerheader h1{
    margin-top: 0;
}
#dg{
    color: white;
    font-size: 90pt;
    font-weight: 700;
}

#caja_materias{
    padding-left: 30px;
    padding-top: 50px;
    width: 100%;
}

option{
    color: black;
     font-size-adjust: auto;
}
td{
    max-width: 300px;
    min-width: 40px;
    line-height: 10pt;
     padding-left: 5px;
}
tr:nth-child(odd) td {
    background-color: grey;
    color: white;
   
    
}
tr:last-child td{
    background-color: aliceblue;
}
tr{
    background-color: aliceblue;
}
.ver{
    padding-top: 5px;
    color: black;
}
.nivel{
    
    padding-left: 10px;
}
.elige{
    text-align: right;
    padding-right: 10px;
   
}
.contenedor{
  width: 170px;
  color: black;  
      
}
.cbc{
    background-color: #00B0EF;
    width: 170px;
    height: 170px;
    padding: 30px;
    text-align: center;
    
}

.costado{
    
}
.colorcuat{
    background-color: #59B6A7;
    border-color: #59B6A7;
    border-width: 5px;
    border-bottom-width: 7px;
    width: 170px;
   }
.colorcatedra{
    background-color: #FFF200;
    border-color: #FFF200;
    border-width: 5px;
    border-bottom-width: 7px;
    width: 170px;
}
.colorturno{
    background-color: #502A75;
    border-color: #502A75;
    border-width: 5px;
    border-bottom-width: 7px;
    width: 170px;
    color: white;
}
#derecha{
    width: 30%;
}
   
.cuatrimestre{
    width: 100%;
    height: 227px;
    padding-top: 10px;
    padding-left: 10px;
    
    font-weight: 700;
    color: white;
    background-color: black;
    
    
}
.bannerright{
    width: 400px;
    height: 90px;
    background-color: #A3DEF5;
    padding-left: 30px;
    margin-top: 76px;
    padding-top: 5px;
}
.examenes{
    width: 400px;
    height: 90px;
    background-color: #A3DEF5;
    margin-top: 10px;   
    padding-top: 0.5px;
    padding-left: 30px;
}
.preguntas{
    width: 400px;
    height: 90px;
    background-color: #A3DEF7;
    margin-top: 30px;
   
    padding-left: 10px;
    padding-top: 20px;
    text-align: center;
    
}
.preguntas a{
    color: black;
}    
@media screen and (max-width:48em) {
    #carrera{
    -webkit-box-orient: vertical;
    -webkit-box-direction: normal;
        -ms-flex-direction: column;
            flex-direction: column;
    }

    .conjunto{
        width: 100%;
    }
}