Дмитрий Марков

#container > div > a:hover > span {
    color: #3a3f5d;
    transition: 0.5s;
}

#container > div > a:hover > img {
    opacity: 1;
}

.icon {
	transition: .3s;
	&.active {
		transform: rotate(360deg);
	}
}

<div class="wrapper">
            <h1 class="title">Заголовок</h1>
        </div>

.wrapper {
            position: relative;
            z-index: 0;
            display: flex;
            justify-content: center;
        }

        .wrapper:after {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            width: 100%;
            background-color: red;
            z-index: -1;
            margin: auto;
        }

        .title {
            background-color: #fff;
            padding: 0 10px;
        }

const inputs = document.querySelectorAll('.input');


if( inputs.length ) {

    const inputSelection = input => {
        input.type = 'text';
        input.setSelectionRange(0,0);
        input.type = 'number';
        input.blur();
    }

    inputs.forEach(input => {
        input.addEventListener('input', event => {
            if( input.value.length == input.maxLength ) inputSelection(input);
    
            if( input.value.length > input.maxLength ) {
                input.value = input.value.slice(0, input.maxLength);
                inputSelection(input);
            }
        });
    });

}