.contables-section{
    padding:100px 10vw;
    background-image: linear-gradient(120deg, white 0%, whitesmoke 100%);
}

.gallery-2019{
    padding:5px;
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
   
}
.gallery-2019 img{
    margin:15px;
    border-radius: 5px;
    width: 200px;
    height: auto;
    box-shadow:0px 0px 10px grey;
}
.gallery-2019 img:hover{
    box-shadow:0px 0px 20px var(--blue);
    transition:2s;
}

h1{
    text-align: center;
    margin-bottom: 30px;
    color: var(--grey-text);
    font-size: 40px;
}

h4{
    color:var(--blue);
    font-size: 31px;
    margin-top: 50px;
margin-bottom: 4px;
text-align: center;
}

.a-buttons{
    display: flex;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    cursor: pointer;
}
.a-buttons div{
    border-bottom: 2px solid var(--blue);
    padding-bottom: 5px;
}
.a-buttons div:hover{
    transition:0.5s;
    border-bottom: 2px solid var(--grey);
    padding-bottom: 15px;
    color:var(--blue);
}

@media screen and (max-width:600px){
    .contables-section{
        padding:100px 3vw;
    }
    .a-buttons div{
        margin:15px;
    }

}