@import url(https://fonts.googleapis.com/css?family=Orbitron:400);
.img-container {
	text-align: center;
    background-color: rgb(180, 23, 252);
    /*display: flex;*/
  	justify-content: center;
  	height: 800px;
    }

body {
  display: flex;
  justify-content: center;
  align-items: center;
  min-height: 100vh;
  background: #f0f0f0;
  background-color: rgb(180, 23, 252);
}
.box {
  position: relative;
  max-width: 600px;
  width: 90%;
  height: 600px;
  background: #B417FC;
  box-shadow: 0 0 15px rgba(0,0,0,.1);
}

/* common */
.ribbon {
  width: 150px;
  height: 150px;
  overflow: hidden;
  position: absolute;
}
.ribbon::before,
.ribbon::after {
  position: absolute;
  z-index: -1;
  content: '';
  display: block;
  border: 5px solid #2980b9;
}
.ribbon span {
  position: absolute;
  display: block;
  width: 225px;
  padding: 15px 0;
  background-color: #3498db;
  box-shadow: 0 5px 10px rgba(0,0,0,.1);
  color: #fff;
  font: 400 18px/1 'Orbitron', sans-serif; */
  text-shadow: 0 1px 1px rgba(0,0,0,.2);
  text-transform: lowercase;
  text-align: center;
}

/* top left*/
.ribbon-top-left {
  top: -10px;
  left: -10px;
}
.ribbon-top-left::before,
.ribbon-top-left::after {
  border-top-color: transparent;
  border-left-color: transparent;
}
.ribbon-top-left::before {
  top: 0;
  right: 0;
}
.ribbon-top-left::after {
  bottom: 0;
  left: 0;
}
.ribbon-top-left span {
  right: -25px;
  top: 30px;
  transform: rotate(-45deg);
}