#portfolio{
    margin: 8% 13%;
}
.portfolio h1{
    color: var(--highlight1);
    font-size: 60px;
}
.tab-titles {
    display: flex;
    font-weight: 600;
    font-size: 20px;
    gap: 60px;
    margin: 38px 10px;
}
.tab-links {
    padding: 10px 25px;
    cursor: pointer;
    color: var(--text1);
    border: 1px groove;
    border-radius: 30px;
    border-color: var(--highlight1);
    box-shadow: var(--shadow1);
}
.tab-links.active-link{
    background: linear-gradient(135deg, var(--highlight1), var(--highlight2));
    border-color: transparent;
}
.container{
    display: flex;
    margin-bottom: 5%;
    height:auto;
    background: linear-gradient(135deg, var(--bg3), var(--bg4));
}
.container a{
    font-size: 30px;
    color: var(--text1);
    text-decoration: underline;
    margin-bottom: 10px;
}
.container p{
    font-size: 20px;
    line-height: 150%;
    color: var(--text2);
}
.row{
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}
.section-col-1{
    flex-basis: 34%;
    width: 100%;
    margin: 3%;
}
.section-col-1 img{
    width:100%;
    border-radius: 15px;
    border: ridge 2px;
    position: relative;
    border-color: var(--highlight1);
    box-shadow: var(--shadow1);
}
.section-col-2{
    flex-basis: 54%;
    width:100%;
    margin: 3%;
}
/* css for small screen */
@media only screen and (max-width: 900px){
    #portfolio{
        margin: 20% 8%;
    }
    .portfolio h1{
        font-size: 35px;
    }
    .tab-titles{
        gap: 15px;
        font-size: 14px;
        margin: 30px 0px 40px;
        justify-content: center;
    }
    .section-col-1, .section-col-2{
        flex-basis: 100%;
    }
    .container a{
        font-size: 16px;
    }
    .container p{
        font-size: 15px;
    }
    .container{
        margin-bottom: 10%;
    }
}