html, body {
  width: 100%;
  height: 100%;
  margin: 0;
  padding: 0;
  background: #f5f5f5;
}
body, section {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  position: relative;
  overflow: hidden;
}
body * {
  box-sizing: border-box;
}
.main-bg {
  width: 100%;
  height: 100%;
  background-position: 50% 50%;
  background-repeat: no-repeat;
  background-size: cover;
  position: absolute;
  left: 0;
  top: 0;
  z-index: 1;
  /* filter: blur(12px); */
}
section,
h4,
h4 a {
  display: flex;
  flex-direction: row;
  justify-content: flex-start;
  align-items: center;
}
section {
  width: 100%;
  background-image: linear-gradient(to bottom, rgba(255, 255, 255, .25), rgba(255, 255, 255, 0));
  backdrop-filter: brightness(110%) blur(4px);
  position: absolute;
  left: 0;
  top: 0;
  z-index: 2;
  padding: 16px 45px;
  color: #EAEAEA;
  justify-content: space-between;
}
h4 {
  margin: 0;
  color: #FEFEFE;
  text-shadow: 1px 1px 3px rgba(0, 0, 0, .6);
}
h4 img {
  width: 22px;
  margin-right: 10px;
}
.copyright {
  position: absolute;
  right: 20px;
  bottom: 20px;
  z-index: 99;
  color: #fff;
  font-size: 14px;
}
.copyright a {
  color: #fff;
  margin-left: 10px;
}
footer {
  margin: 10px auto;
  color: #CACACA;
  font-size: 10px;
  position: relative;
  z-index: 2;
}