html – Exactly how to totally disable upright diminishing of a div aspect

 * {
margin: 0;
}

body {
overflow-x: concealed;
font-size: big;
margin: 0;
}

. welcome {
text-align: facility;
background-image: link(" https://images.unsplash.com/photo-1587831990711-23ca6441447b?ixlib=rb-4.0.3&ixid=MnwxMjA3fDB8MHxzZWFyY2h8Mnx8ZGVza3RvcCUyMGNvbXB1dGVyfGVufDB8fDB8fA%3D%3D&auto=format&fit=crop&w=500&q=60");.
background-size: cover;.
background-repeat: no-repeat;.
min-height: 100%;.
shade: white;.
placement: outright;.
top: 0px;.
size: 100%;.
cushioning: 0 car;.
}

. welcome * {
clear: both;.
}

. welcome-txt {
placement: outright;.
top: 40%;.
left: 50%;.
- ms-transform: convert( -50%, -50%);.
change: convert( -50%, -50%);.
white-space: nowrap;.
}

. welcome-content {
animation-name: fadeInLoad;.
animation-duration: twos;.
animation-timing-function: linear;.
}

#child {
placement: outright;.
top: 0;.
shade: black;.
display screen: inline-block;.
} 

<< div course=" welcome">
<> < div course=" welcome-content">
<> < h1 course=" welcome-txt">> Welcome<< br> > The Coders Club<.
<< p id=" kid">> Learn. Code. Develop.<.
<.
<