.header {
  width: 700px;
  background: url("lightning.gif");
  color:  #418655;
  font-size: 20px;
  }

body {
    background-image: url("clouds.jpg");
    background-repeat: repeat;
}

.footer {
  left: 0;
  bottom: 0;
  width: 100%;
  background: url("metal1.jpg");
  color: white;
  text-align: center;
}

.box {
    width: 650px;
    height: 150px;
    background: url("chili.gif");
    border: 5px solid green;
    padding: 10px;
    margin: 10px;
  display: flex;
  justify-content: center;
  align-items: center;
}

p {
    color: black;
}
h1{
  color: black;
  }
  

.blink {
    animation: blinker .5s linear infinite;
    color: black;
}
@keyframes blinker {
    100% {
        opacity: 0;
    }
}