*{
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}
.navbar{
    
    background-color: white;

}
.nav-link{
    color: rgb(209, 135, 147);
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    text-decoration: none;
}
iframe{

    position: absolute;
    margin:0 auto;
    display:block;
    top: 100px;

  }
.about{
    position: absolute;
    top: 1000px;
    padding-bottom: 100px;
    
}

/* portfolio */

.control ul li{
    list-style: none;
    background-color: pink;
    padding: 5px 15px;
    color: black;
    display: inline-block;
    cursor: pointer;
    letter-spacing: 2px;
}

.item{
    position: relative;
}

.item span{
    position: absolute;
    top: 40%;
    left: 45%;
    font-size: 40px;
    color: black;
    cursor: pointer;
    opacity: 0;
}
.item:hover span{
    opacity: 1;
    transition: 0.5s;
}
.item:before{
    content: "";
    left: 0;
    top: 0;
    height: 100%;
    width: 100%;
    background-color: rgba(red, green, blue, alpha);
    opacity: 0;
    position: absolute;
}