*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;

}

.gallery{
    font-family: "Helvetica";
}

.gallery h1{
    text-align: center;
    margin: 20px 0 15px 0;
    font-weight: 300;
}

.linea{
    border-top: 5px solid rgb(74, 7, 137);
}

.content-image{
    display: flex;
    width: 85%;
    margin: auto;
    justify-content: space-around;
    flex-wrap: wrap;
    border-radius: 15px;
}
 
.content-image .imagen{

    position: relative;
    width: 23%;
    height: 300px;
    margin: 0 5px;
    margin-bottom: 15px;
}

.imagen img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}

@media screen and (max-width:999px){
    .content-image{
        width: 95%;
    }  
}

@media screen and (max-width:768px){
    .content-image{
        width: 90%;
    }  

    .content-image .imagen{
        width: 48%;
    }
}

@media screen and (max-width:540px){

    h1{font-size: 22px;
    }

    .content-image{
        width: 98%;
    }  

    .content-image .imagen{
        width: 80%;
    }
}