Complete CSS

/* .App {
  text-align: center;
}

.App-logo {
  animation: App-logo-spin infinite 20s linear;
  height: 80px;
}

.App-header {
  background-color: #222;
  height: 150px;
  padding: 20px;
  color: white;
}

.App-title {
  font-size: 1.5em;
}

.App-intro {
  font-size: large;
}

@keyframes App-logo-spin {
  from {
    transform: rotate(0deg);
  }
  to {
    transform: rotate(360deg);
  }
} */
body {
  padding: 0;
  margin: 0;
}

.container {
  padding-right: 5%;
  padding-left: 5%;
  margin-right: auto;
  margin-left: auto;
}



h1 {
  margin: 0px;
}

/* #nav {
  height: 50px;
  width: 100%;
  background-color: blue;
} */
/*
#header {
  height: 100px;
  width: 99.6%;
  margin: 0.2%;
  background-color: silver;
} */

div {
  margin: 0;
}