body, html {
  height: 100%;
  margin: 0;
}

.bg {
  /* The image used */
  background-image: url("../images/background.jpg");
  opacity: 0.4;

  /* Full height */
  height: 100%; 

  /* Center and scale the image nicely */
  background-position: top center;
  background-repeat: no-repeat;
  background-size: cover;
}
.custom-container {
 display: flex;
 align-items: center;
 justify-content: center;
}

.custom-child {
  width: 80%;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
#logo{
  max-width: 300px;
  margin: auto;
}
#info h1{
  margin: 0;
  font-size: 4em;
  font-weight: 700;
  line-height: 56px;
  color: #45505b;
  margin-bottom: 15px;
}
#info h3{
  color: #0563bb;
  letter-spacing: 1px;
  font-size: 2em;
  margin-bottom: 15px;
}
#info p{
  font-size: 1.4em;
  font-weight: 500;
}
/* Extra small devices (phones, 600px and down) */
@media only screen and (max-width: 600px) {
  #logo{
    max-width: 175px;
    margin: auto;
  }
  #info h1{
    font-size: 2em;
    text-align: center;
  }
  #info h3{
    font-size: 1.2em;
    text-align: center;
  }
  #info p{
    text-align: center;
    font-size: 1em;
  }
}