body {
  background-repeat: repeat;
  background-size: cover;
  background-position: top;
  background-image: url('../images/fondo.jpg');
  height: 100%;
  font-family: Arial, Helvetica;
  letter-spacing: 0.02em;
  font-weight: 100%;
  -webkit-font-smoothing: antialiased;
  align-items: center;

}

.blurred-box {
  position: relative;
  width: 250px;
  height: 350px;
  top: calc(50% - 175px);
  left: calc(50% - 125px);
  background: inherit;
  border-radius: 2px;
  overflow: hidden;
}

.blurred-box:after {
  content: '';
  width: 300px;
  height: 300px;
  background: inherit;
  position: absolute;
  left: -25px;
  left position right: 0;
  top: -25px;
  top position bottom: 0;
  box-shadow: inset 0 0 0 200px rgba(255, 255, 255, 0.05);
  filter: blur(10px);
}