body {
  background-repeat: no-repeat;
  background-image: url("defaultback.png");
  min-height: 100vh;
  color: black;
  font-family: 'Courier New', Courier, monospace;
  font-size: 14pt;
  color: aliceblue;
}
.container {
  position: relative;
  width: 50%;
  margin: 300px auto;
  border: 5px solid;
  border-color: rgb(137, 130, 164);
  background-color: rgb(0, 0, 85);

}

.centr {
  text-align: center;
}

.text, .centr {
position: relative;
z-index: 2;
}

.text {
  padding-left: 5px;
  padding-right: 5px;
}

.img {
  filter: 
    grayscale(100%)      
    brightness(1.2)      
    sepia(100%)          
    hue-rotate(190deg)   
    saturate(300%);      

position: absolute;
top: 10px;
right: 10px;
width: 120px;
height: auto;
image-rendering: pixelated;
z-index: 1;
opacity: 0.5;
}

.parciva1:hover {
  color: magenta;
}