.pair-container h4.addfield-title {
            cursor: pointer;
            color: #003541;
        }

        .pair-container .addfield {
            display: none;
        }

        .pair-container h4.addfield-title .fa {
            margin-right: 10px;
        }

        .pair-container h4.addfield-title .fa.rotate-180 {
            transform: rotate(180deg);
            transition: transform 0.3s;
        }