.controls-portfolio i {
    color: #c3b8b8;
    font-size: 24px;
}

.controls-portfolio .next-slide, .controls-portfolio .prev-slide {
    width: 35px;
    height: 25px;
    border: 1px solid #9e9090;
    display: inline-block;
    text-align: center;
    cursor: pointer;
}