.container{
   background: rgba( 255, 255, 255, 0.2 );
   box-shadow: 0 8px 32px 0 rgba( 31, 38, 135, 0.37 );
   backdrop-filter: blur( 14.5px );
   -webkit-backdrop-filter: blur( 14.5px );
   border-radius: 10px;
   min-height:100%;
   position:relative;
   z-index:100;
   margin-top:100px;
}

span{
  display:flex
}

.icons{
  padding-top:10px;
  flex-direction: row;
  align-content: center;
  justify-content: space-evenly;
}



.mx-auto{
    padding-bottom:50px;
}
.text-4xl{
    padding-top:50px;
}
video{
  position:fixed;
  top:0;
  left:0;
  min-width:100%;
  min-height:100%;
  object-fit:cover;
  z-index:-1000;
}


.sk-folding-cube {
  margin: 20px auto;
  width: 40px;
  height: 40px;
  position: relative;
  -webkit-transform: rotateZ(45deg);
          transform: rotateZ(45deg);
}

.sk-folding-cube .sk-cube {
  float: left;
  width: 50%;
  height: 50%;
  position: relative;
  -webkit-transform: scale(1.1);
      -ms-transform: scale(1.1);
          transform: scale(1.1); 
}
.sk-folding-cube .sk-cube:before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #333;
  -webkit-animation: sk-foldCubeAngle 2.4s infinite linear both;
          animation: sk-foldCubeAngle 2.4s infinite linear both;
  -webkit-transform-origin: 100% 100%;
      -ms-transform-origin: 100% 100%;
          transform-origin: 100% 100%;
}
.sk-folding-cube .sk-cube2 {
  -webkit-transform: scale(1.1) rotateZ(90deg);
          transform: scale(1.1) rotateZ(90deg);
}
.sk-folding-cube .sk-cube3 {
  -webkit-transform: scale(1.1) rotateZ(180deg);
          transform: scale(1.1) rotateZ(180deg);
}
.sk-folding-cube .sk-cube4 {
  -webkit-transform: scale(1.1) rotateZ(270deg);
          transform: scale(1.1) rotateZ(270deg);
}
.sk-folding-cube .sk-cube2:before {
  -webkit-animation-delay: 0.3s;
          animation-delay: 0.3s;
}
.sk-folding-cube .sk-cube3:before {
  -webkit-animation-delay: 0.6s;
          animation-delay: 0.6s; 
}
.sk-folding-cube .sk-cube4:before {
  -webkit-animation-delay: 0.9s;
          animation-delay: 0.9s;
}
@-webkit-keyframes sk-foldCubeAngle {
  0%, 10% {
    -webkit-transform: perspective(140px) rotateX(-180deg);
            transform: perspective(140px) rotateX(-180deg);
    opacity: 0; 
  } 25%, 75% {
    -webkit-transform: perspective(140px) rotateX(0deg);
            transform: perspective(140px) rotateX(0deg);
    opacity: 1; 
  } 90%, 100% {
    -webkit-transform: perspective(140px) rotateY(180deg);
            transform: perspective(140px) rotateY(180deg);
    opacity: 0; 
  } 
}

@keyframes sk-foldCubeAngle {
  0%, 10% {
    -webkit-transform: perspective(140px) rotateX(-180deg);
            transform: perspective(140px) rotateX(-180deg);
    opacity: 0; 
  } 25%, 75% {
    -webkit-transform: perspective(140px) rotateX(0deg);
            transform: perspective(140px) rotateX(0deg);
    opacity: 1; 
  } 90%, 100% {
    -webkit-transform: perspective(140px) rotateY(180deg);
            transform: perspective(140px) rotateY(180deg);
    opacity: 0; 
  }
}

@media (max-width:799px){
  .container{
    margin:50px;
    padding:60px;
    max-width:280px;
    max-height:550px;
  }
  .container h1{
    font-size:25px;
    margin:0;
    padding:0;
  }

  #resultado p{
    font-size:14px;
    margin:0;
    padding:0;
  }

  .icons{
    font-size:10px;
  }

  .mt-5 input , select{
    font-size:15px;
  }
  .mt-5 input{
    font-size:15px;
  }
input[type=submit]{
    font-size:13px;
  }

}