* {
  box-sizing: border-box;
}


.bbmain{ width:1200px; margin:0 auto; position:relative;}
.strips { min-height: 500px;
  text-align: center;
  overflow: hidden;
  color: white;
}
.strips__strip {
  will-change: width, left, z-index, height;
  position: absolute;
  width: 25%;
  min-height: 500px;
  overflow: hidden;
  cursor: pointer;
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
          transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.strips__strip:nth-child(1) {
  left: 0;
}
.strips__strip:nth-child(2) {
  left: 25%;
}
.strips__strip:nth-child(3) {
  left: 50%;
}
.strips__strip:nth-child(4) {
  left: 75%;
}

.strips__strip:nth-child(1) .strip__content {
  background:#F24B4B;
  -webkit-transform: translate3d(-100%, 0, 0);
          transform: translate3d(-100%, 0, 0);
  -webkit-animation-name: strip1;
          animation-name: strip1;
  -webkit-animation-delay: 0.1s;
          animation-delay: 0.1s;
}
.strips__strip:nth-child(2) .strip__content {
  background: #60BFBF;
  -webkit-transform: translate3d(0, 100%, 0);
          transform: translate3d(0, 100%, 0);
  -webkit-animation-name: strip2;
          animation-name: strip2;
  -webkit-animation-delay: 0.2s;
          animation-delay: 0.2s;
}
.strips__strip:nth-child(3) .strip__content {
  background: #8C4B7E;
  -webkit-transform: translate3d(0, -100%, 0);
          transform: translate3d(0, -100%, 0);
  -webkit-animation-name: strip3;
          animation-name: strip3;
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.strips__strip:nth-child(4) .strip__content {
  background: #F8BB44;
  -webkit-transform: translate3d(0, 100%, 0);
          transform: translate3d(0, 100%, 0);
  -webkit-animation-name: strip4;
          animation-name: strip4;
  -webkit-animation-delay: 0.4s;
          animation-delay: 0.4s;
}
.strips__strip:nth-child(5) .strip__content {
  background: #F24B4B;
  -webkit-transform: translate3d(100%, 0, 0);
          transform: translate3d(100%, 0, 0);
  -webkit-animation-name: strip5;
          animation-name: strip5;
  -webkit-animation-delay: 0.5s;
          animation-delay: 0.5s;
}
@media screen and (max-width: 760px) {
  .strips__strip {
    min-height: 20vh;
  }
  .strips__strip:nth-child(1) {
    top: 0;
    left: 0;
    width: 100%;
  }
  .strips__strip:nth-child(2) {
    top: 20vh;
    left: 0;
    width: 100%;
  }
  .strips__strip:nth-child(3) {
    top: 40vh;
    left: 0;
    width: 100%;
  }
  .strips__strip:nth-child(4) {
    top: 60vh;
    left: 0;
    width: 100%;
  }
  .strips__strip:nth-child(5) {
    top: 80vh;
    left: 0;
    width: 100%;
  }
}
.strips .strip__content {
  -webkit-animation-duration: 1s;
          animation-duration: 1s;
  -webkit-animation-timing-function: cubic-bezier(0.23, 1, 0.32, 1);
          animation-timing-function: cubic-bezier(0.23, 1, 0.32, 1);
  -webkit-animation-fill-mode: both;
          animation-fill-mode: both;
  display: -webkit-box;
  display: -webkit-flex;
  display: -ms-flexbox;
  display: flex;
  -webkit-box-align: center;
  -webkit-align-items: center;
      -ms-flex-align: center;
          align-items: center;
  -webkit-box-pack: center;
  -webkit-justify-content: center;
      -ms-flex-pack: center;
          justify-content: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  text-decoration: none;
}
.strips .strip__content:hover:before {
  -webkit-transform: skew(-30deg) scale(3) translate(0, 0);
      -ms-transform: skew(-30deg) scale(3) translate(0, 0);
          transform: skew(-30deg) scale(3) translate(0, 0);
  opacity: 0.1;
}
.strips .strip__content:before {
  content: "";
  position: absolute;
  z-index: 1;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: white;
  opacity: 0.09;
  -webkit-transform-origin: center center;
      -ms-transform-origin: center center;
          transform-origin: center center;
  -webkit-transform: skew(-30deg) scaleY(1) translate(0, 0);
      -ms-transform: skew(-30deg) scaleY(1) translate(0, 0);
          transform: skew(-30deg) scaleY(1) translate(0, 0);
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
          transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.strips .strip__inner-text {
  will-change: transform, opacity;
  position: absolute;
  z-index: 5;
  top: 50%;
  left: 50%;
  width: 70%;
  -webkit-transform: translate(-50%, -50%) scale(0.5);
      -ms-transform: translate(-50%, -50%) scale(0.5);
          transform: translate(-50%, -50%) scale(0.5);
  opacity: 0;
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
          transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}
.strips__strip--expanded {
  width: 100%;
  top: 0 !important;
  left: 0 !important;
  z-index: 3;
  cursor: default;
}
@media screen and (max-width: 760px) {
  .strips__strip--expanded {
    min-height: 100vh;
  }
}
.strips__strip--expanded .strip__content:hover:before {
  -webkit-transform: skew(-30deg) scale(1) translate(0, 0);
      -ms-transform: skew(-30deg) scale(1) translate(0, 0);
          transform: skew(-30deg) scale(1) translate(0, 0);
  opacity: 0.05;
}
.strips__strip--expanded .strip__title {
  opacity: 0;
}
.strips__strip--expanded .strip__inner-text {
  opacity: 1;
  -webkit-transform: translate(-50%, -50%) scale(1);
      -ms-transform: translate(-50%, -50%) scale(1);
          transform: translate(-50%, -50%) scale(1);
}

.strip__title {
  display: block;
  margin: 0;
  position: relative;
  z-index: 2;
  width: 100%;
  font-size:16px ;
  color: white;
   text-align:center;
  -webkit-transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
          transition: all 0.6s cubic-bezier(0.23, 1, 0.32, 1);
}

.st_20{font-size:20px ; font-weight:bold}
@media screen and (max-width: 760px) {
  .strip__title {
    font-size: 28px;
  }
}

.strip__close {
  position: absolute;
  right: 0vw;
  top: 0vw;
  opacity: 0;
  z-index: 10;
 
  cursor: pointer;
 
}
.strip__close--show {
  opacity: 1;
}

@-webkit-keyframes strip1 {
  0% {
    -webkit-transform: translate3d(-100%, 0, 0);
            transform: translate3d(-100%, 0, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}

@keyframes strip1 {
  0% {
    -webkit-transform: translate3d(-100%, 0, 0);
            transform: translate3d(-100%, 0, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes strip2 {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
            transform: translate3d(0, 100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@keyframes strip2 {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
            transform: translate3d(0, 100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes strip3 {
  0% {
    -webkit-transform: translate3d(0, -100%, 0);
            transform: translate3d(0, -100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@keyframes strip3 {
  0% {
    -webkit-transform: translate3d(0, -100%, 0);
            transform: translate3d(0, -100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes strip4 {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
            transform: translate3d(0, 100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@keyframes strip4 {
  0% {
    -webkit-transform: translate3d(0, 100%, 0);
            transform: translate3d(0, 100%, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@-webkit-keyframes strip5 {
  0% {
    -webkit-transform: translate3d(100%, 0, 0);
            transform: translate3d(100%, 0, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
@keyframes strip5 {
  0% {
    -webkit-transform: translate3d(100%, 0, 0);
            transform: translate3d(100%, 0, 0);
  }
  100% {
    -webkit-transform: translate3d(0, 0, 0);
            transform: translate3d(0, 0, 0);
  }
}
/* Demo purposes */


h1, h2 {
  font-weight: 300;
}

.fa {
  font-size: 30px;
  color: white;
}

h2 {
  font-size: 36px;
  margin: 0 0 16px;
}

p {
  margin: 0 0 16px;
}