style.css

@import url('https://fonts.googleapis.com/css?family=Numans');
@import url('https://fonts.googleapis.com/css2?family=Della+Respira&display=swap');



html,body{
background: #000000;
background-image: url('https://getwallpapers.com/wallpaper/full/f/9/e/41412.jpg');
background-size: cover;
background-repeat: no-repeat;
height: 100%;
font-family: 'Numans', sans-serif;
}

.header {
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 3rem;
  font-family: 'Della Respira', serif;
  color: white;
  text-shadow: 2px 2px 7px #FFC312;
  margin-top: 10px;
  z-index: 2;
}

.container{
height: 100%;
align-content: center;
}

.card{
height: 370px;
margin-top: auto;
margin-bottom: auto;
width: 400px;
background-color: rgba(0,0,0,0.5) !important;
}

.social_icon span{
font-size: 60px;
margin-left: 10px;
color: #FFC312;
}

.social_icon span:hover{
color: white;
cursor: pointer;
}

.card-header h3{
color: white;
}

.social_icon{
position: absolute;
right: 20px;
top: -45px;
}

.input-group-prepend span{
width: 50px;
background-color: #FFC312;
color: black;
border:0 !important;
}

input:focus{
outline: 0 0 0 0  !important;
box-shadow: 0 0 0 0 !important;

}

.remember{
color: white;
}

.remember input
{
width: 20px;
height: 20px;
margin-left: 15px;
margin-right: 5px;
}

.login_btn{
color: black;
background-color: #FFC312;
width: 100px;
}

.login_btn:hover{
color: black;
background-color: white;
}

.links{
color: white;
}

.links a{
margin-left: 4px;
}
/* New stuff below */
#loading {
   position: fixed;
 
   top: 0;
   left: 0;
   right: 0;
   bottom: 0;
 
   backdrop-filter: blur(3px);
   background: rgba(0, 0, 0, 0.4);
 
   font-family: 'Roboto', sans-serif;
   font-size: 2rem;
   text-align: center;
 }
 
 #loading .message {
   min-width: 480px;
   padding: 3rem;
 
   box-shadow: 0 2px 8px black;
   background: rgba(184, 36, 56, 0.616);
 
   position: absolute;
   top: 50%;
   left: 50%;
   transform: translate(-50%, -50%);
 }
 
 #loading:not(.active) {
   display: none;
 }