#header .menu:nth-of-type(3) > a {
     font-weight: bold;
}

#menu_movil a:nth-of-type(3) {
     font-weight: bold;
     color: #fff;
}

#section_4, #section_5 {
    display: none;
}

#section_1 .margen {
    justify-content: center;
    align-content: center;
}

#section_1 .linea {
    margin: 30px 0;
}

#section_1 {   
    background: rgba(0,0,0,.2);
    background-position: center; 
    background-blend-mode: color;
    background-image: url("../../view/images/TanqueHeader02.jpg");  
    background-size: cover;
    background-repeat: no-repeat;     
}

#section_1 .flex {
    justify-content: center;
    
}

#section_1 p {
    text-align: center;
}

#section_2 .margen {
    justify-content: center;
}

#section_2 .flex3 {
    border: 1px solid #eee;
}

#section_2 .flex3 .div_img {
    width: 100%;
}

#section_2 .flex3 div:nth-of-type(2)  {
    width: 100%;
    background-color: #f6f6f6;
    padding: 0px 30px;  
 
}

#section_2 .flex3:not(:nth-last-of-type(1)) {
    margin-bottom: 50px;
}

#section_2 .flex3 h2 {
    text-align: initial;
     margin-top: 20px;    
    font-size: 1em;
}

#section_2 h2 {
    color: #000;
}

#section_2 p {
    color: #000;
    text-align: initial;
    margin: 20px 0px;
}

#section_2 .margen > h2 {
    text-align: center;
    font-size: 2em;
    margin: 40px 0px;
    color: #fff;
}

#section_2 .margen > button {
    padding: 10px 80px;
}

@media only screen and (min-width: 768px) {
    
    #section_1 .margen {
         align-content: center;
         height: 400px; 
    }    
    
    #section_1 p {
        width: 80%;
    }
    
   #section_2 .flex3 {
        width: 100%;        
    }
    
    #section_2 .flex3:nth-of-type(1) br, #section_2 .flex3:nth-of-type(2) br {
        display: none;
    }
    
    #section_2 .flex3:not(:nth-last-of-type(1)) {
        margin-bottom: 50px;
    }
    
    #section_2 .margen > h2 {
        font-size: 2.5em;
        margin: 40px 0px;
    }

    #section_2 .margen > button {
        padding: 10px 40px;
        font-size: 1.5em;
    }
}



@media only screen and (min-width: 1200px) {
    
     #section_1 .margen {
          justify-content: flex-start;
          align-content:  center;
     }
    
     #section_1 h2 {
          text-align:  initial;
     }
     
     #section_1 .flex  {
          justify-content: flex-start;
     }
     
     #section_1 p {
          text-align: initial;
          width: 80%;
     }
    
    #section_2 .margen {
        justify-content: space-between; /*center*/
    }
    
    #section_2 .flex3 {
         width: 32%;     
         height: 550px;
    }      
    
    #section_2 .flex3 .div_img {
        height: 55%;
    }

    #section_2 .flex3 div:nth-of-type(2)  {
        height: 45%;
    }    

    #section_2 .flex3 button {
        position: absolute;
        bottom: 0;
        right: 0;
    }

    #section_2 .margen > h2 br {
        display: none;
    }
    
    #section_2 .margen > h2 {
        font-size: 2em;
        margin: 20px 0px;
    }
    
    #section_2 .margen > a {
        margin: auto;
    }
 
}