Что делать?
<meta name="viewport" content="width=device-width">.block1::placeholder {
color: #333;
}
.block1::placeholder {
color: #999;
}<meta name="viewport" content="width=device-width"><meta name="viewport" content="width=device-width, initial-scale=1"><meta name="viewport" content="width=1170" />
.postisitonRelative{
left:10em;
top: 2em;
bottom: 20em;
position: absolute;
}
.visually-hidden {
position: absolute;
width: 1px;
height: 1px;
margin: -1px;
padding: 0;
overflow: hidden;
border: 0;
clip: rect(0 0 0 0)
}