body {
    margin: 0px;
    width: 100%;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    overflow-x: hidden;
}

html,
body {
  overflow-x: hidden;
}

main {
    margin-top: 100px;
    margin-bottom: 100px;
    font-size: 16px;
}

.container {
    width: auto;
    display: grid;
    grid-template-columns: 50% 50%;
}

.collaborator{
    font-weight: bold;
    margin-bottom: -10px;
}

.affiliation {
    font-size: 16px;
    margin-bottom: -10px;
}

.description {
    font-size: 15px;
    line-height: 26px;
}

.collaborator a{
text-decoration: none;
color: black;
}

.div
{
    display: flex;
    align-items: center;
    justify-content:center;
    line-height: 30px;
}

main img{
    margin-right: 40px;
}

div.left{
    text-align: justify;
    margin-left: 100px;
    margin-right: 50px;
    margin-top: 20px;
    margin-bottom:20px;
    display: flex;
    align-items: center;
    justify-content:center;
}

div.right{
    text-align: justify;
    margin-left: 50px;
    margin-right: 100px;
    margin-top: 20px;
    margin-bottom:20px;
    display: flex;
    align-items: center;
    justify-content:center;
   
}


@media(max-width:1024px) {

    main {
        margin-top: 70px;
        margin-bottom: 70px;
        font-size: 18px;
    }

    .container {
        width: auto;
        display: grid;
        grid-template-columns: 100%;
    }
    
    .affiliation {
        font-size: 18px;
    }
    
    .description {
        font-size: 18px;
    }
    
    .div
    {
        display: flex;
        align-items: center;
    }
    
    div.left, div.right{
        margin-right:50px;
        margin-left:50px;
        margin-top: 20px;
        margin-bottom:20px;
    }

    div.div p.descritpion {
        text-align: justify;
    }
}

@media(max-width:768px) {

    main {
        margin-top: 30px;
        margin-bottom: 20px;
        font-size: 16px;
    }
    
    .collaborator {
        text-align: center;
    }

    .affiliation {
        font-size: 16px;
        text-align: center;
    }
    
    .description {
        font-size: 16px;   
    }
    
    .div
    {
        display:inline;
        align-items:center;
    }

    main .right img{
        margin-left: 40px;
        height: 120px;
    }
    
    main .left img{
        margin-right: 0px;
        height: 120px;
    }
    
    .left .div, .right .div {
        display: flex;
        flex-direction:column;
    }
    .description {
        font-size: 16px;
        margin-left: -20px;
        margin-right: -20px;
    }

    .div
    {
        line-height: 20px;
    }

}