<input autofocus type="text" name="name" class="nameInput" id="nameMask" placeholder="Введите ваше имя" autocomplete="off"><input type="text" name="name" class="nameInput" id="nameMask" placeholder="Введите ваше имя" autocomplete="off" autofocus>.nameInput {
font-family: 'Montserrat', sans-serif;
font-weight: 400;
height: 56px;
margin-bottom: 10px;
border: 1px solid #F8F8F8;
box-sizing: border-box;
border-radius: 8px;
display: block;
float: left;
width: 100%;
padding: 0 25px;
font-size: 16px;
background: #F8F8F8;
outline: none;
}
.nameInput:focus, {
border: 1px solid #a5a5a5;
}window.addEventListener('popstate', function(event) {
alert("STOP");
event.preventDefault();
}, false);