*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    list-style: none;
    text-decoration: none;
}
.app{
    width: 100%;   
}
.images{
    width: 100%;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
    align-items: center;
}
.images-subtitle{
    width: 30%;
    height: 20%;
    display: flex;
    justify-content: center;
}
img{
    width: 90%;
    height: 50%;
}