*{
  font-family: Arial, Verdana, Helvetica, sans-serif;

}
body {
    background-color: #EEE8DC;
}

#centro{
    width: 80%;
    margin: 2% auto;
    display: flex;
    flex-flow: row wrap;
}

.box-big {
    width: 100%;
    float: left;
}

.box-half{
    position: relative;
    box-shadow: 0 0 0 1px black;
    float: left;
    width: 50%;
    height: 20vw;
}

.box-half .datos {
    position: absolute;
    top: 50%;
    transform: translateY( -50% );
}
.box-half-1{
    position: relative;
    float: right;
    top: 0;
    width: 50%;
    height: 20vw;
}

.box-half-1 img{
    height: 100%;
    margin-left: 0.5rem;
}

.container {
    display: flex;
    width: 200px;
    flex-flow: row wrap;
} 

.datos {
    padding-left: 30px;
    
}

.datos p{
    line-height : 10px;
}

.first{
    font-weight: bold;
}

.logo{
    margin: 0 auto 1rem auto    ; 
    width: 20%;
}

#nav{
    list-style-type: none;
    margin: 0;
    padding: 0;
    overflow: hidden;
    border: 1px solid #e7e7e7;
    background-color: #f3f3f3;
}
  
.navli{
    float: left;
}
  
.nombre {
    font-size: 22px;
}
.navli a {
    display: block;
    color: #666;
    text-align: center;
    padding: 14px 16px;
    text-decoration: none;
}
  
.navli a:hover:not(.active) {
    background-color: #ddd;
  }
  
  .navli a.active {
    color: white;
    background-color: #CECCC8;
  }

  .second{
    margin-bottom: 1rem;
  }

  .third{
    margin-bottom: 1rem;
  }

  ul.res{
    list-style-type: none;
    margin: 1%;
  }
  
  ul.stu{
    list-style-type: none;
    font-weight: bold;
  }