if you give height as auto or min-height, there will be a blank at the bottom
.errors
{
width: 390px;
min-height: 210px;
background:white;
position: fixed;
top: 0;
right: 0;
bottom: 0;
left: 120px;
z-index: 100;
margin: 150px auto;
color: black;
} 
height does not need to be specified
you can't write down the adaptive height. The reason for the blank is that you wrote top and bottom
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