body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    background: linear-gradient(45deg, #3498db, #cc0ac6, #290de3 ,#0874cc , #350ae0 );
    background-size: 600% 100%;
    animation: gradientBG 15s ease infinite;
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
}

.header {
    background: linear-gradient(45deg, #1621b3, #008cff);
    border-radius: 80px;
    display: inline-block;
    padding: 4px 4px;
    animation: borderAnimation 1ms alternate infinite, colorChange 2s alternate infinite;
    color: #000;
    position: relative; /* Added position relative for pseudo-element */
    transition: all 0.3s ease;
    text-align: center;
}

.logo {
    font-size: 2rem;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.main {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.courses {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.course {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    margin: 20px;
    padding: 10px;
    text-align: center;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.2);
    animation: fadeIn 1s ease;
}

.course img {
    max-width: 100%;
    height: auto;
    border-radius: 10px;
}

.course-details h2 {
    color: #fff;
}

.course-details p {
    color: #eee;
}

/* ... (Previous CSS styles remain unchanged) ... */

/* ... (Previous CSS styles remain unchanged) ... */

.footer-button {
    background: rgba(0, 0, 0, 0.2);
    border-radius: 5px;
    padding: 10px 20px;
    color: #fff;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
    margin: 0 10px; /* Add margin to separate buttons */
    position: relative;
    overflow: hidden;
    display: inline-block; /* Display buttons inline */
}

.footer-button:hover {
    background: transparent;
    box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
                -4px -4px 6px 0 rgba(116, 125, 136, .2), 
        inset -4px -4px 6px 0 rgba(255,255,255,.5),
        inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
    color: #fff;
    transform: scale(1.1) rotate(0deg);
}

.footer-button:after {
    position: absolute;
    content: " ";
    z-index: -1;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #1fd1f9;
    background-image: linear-gradient(315deg, #1fd1f9 0%, #b621fe 74%);
    transition: all 0.3s ease;
    transform: scale(1) rotate(0deg);
}

.footer-button:hover:after {
    transform: scale(2) rotate(180deg);
    box-shadow:  4px 4px 6px 0 rgba(255,255,255,.5),
                -4px -4px 6px 0 rgba(116, 125, 136, .2), 
        inset -4px -4px 6px 0 rgba(255,255,255,.5),
        inset 4px 4px 6px 0 rgba(116, 125, 136, .3);
}


.btn-12 {
    position: relative;
    right: 20px;
    bottom: 20px;
    border: none;
    box-shadow: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    -webkit-perspective: 230px;
    perspective: 230px;
  }
  .btn-12 span {
    background: rgb(0, 172, 238);
    background: linear-gradient(0deg, rgba(0, 172, 238, 1) 0%, rgba(2, 126, 251, 1) 100%);
    display: block;
    position: absolute;
    width: 130px;
    height: 40px;
    box-shadow: inset 2px 2px 2px 0px rgba(255, 255, 255, .5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    border-radius: 5px;
    margin: 0;
    text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transition: all .3s;
    transition: all .3s;
  }
  .btn-12 span:nth-child(1) {
    box-shadow:
      -7px -7px 20px 0px #fff9,
      -4px -4px 5px 0px #fff9,
      7px 7px 20px 0px #0002,
      4px 4px 5px 0px #0001;
    -webkit-transform: rotateX(90deg);
    -moz-transform: rotateX(90deg);
    transform: rotateX(90deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12 span:nth-child(2) {
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12:hover span:nth-child(1) {
    box-shadow: inset 2px 2px 2px 0px rgba(255, 255, 255, .5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
  }
  .btn-12:hover span:nth-child(2) {
    box-shadow: inset 2px 2px 2px 0px rgba(255, 255, 255, .5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    color: transparent;
    -webkit-transform: rotateX(-90deg);
    -moz-transform: rotateX(-90deg);
    transform: rotateX(-90deg);
  }
@keyframes gradientBG {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes fadeIn {
    0% {
        opacity: 0;
        transform: translateY(-20px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInUp {
    0% {
        opacity: 0;
        transform: translateY(-40px);
    }
    100% {
        opacity: 1;
        transform: translateY(0);
    }
}
@keyframes backgroundAnimation {
    0% {
        background-position: 0% 50%;
    }
    50% {
        background-position: 100% 50%;
    }
    100% {
        background-position: 0% 50%;
    }
}

@keyframes borderAnimation {
    0% {
        border-width: 2px;
    }
    100% {
        border-width: 10px;
    }
}

@keyframes colorChange {
    0% {
        color: #000;
    }
    100% {
        color: #fff;
    }
}


.btn-12 {
    position: relative;
    right: 20px;
    bottom: 20px;
    border: none;
    box-shadow: none;
    width: 130px;
    height: 40px;
    line-height: 42px;
    -webkit-perspective: 230px;
    perspective: 230px;
  }
  .btn-12 span {
    background: rgb(0, 172, 238);
    background: linear-gradient(0deg, rgba(0, 172, 238, 1) 0%, rgba(2, 126, 251, 1) 100%);
    display: block;
    position: absolute;
    width: 130px;
    height: 40px;
    box-shadow: inset 2px 2px 2px 0px rgba(153, 12, 12, 0.5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    border-radius: 5px;
    margin: 0;
    text-align: center;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
    -webkit-transition: all .3s;
    transition: all .3s;
  }
  .btn-12 span:nth-child(1) {
    box-shadow:
      -7px -7px 20px 0px rgba(201, 39, 39, 0.6),
      -4px -4px 5px 0px rgba(201, 39, 39, 0.6),
      7px 7px 20px 0px #0002,
      4px 4px 5px 0px #0001;
    -webkit-transform: rotateX(90deg);
    -moz-transform: rotateX(90deg);
    transform: rotateX(90deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12 span:nth-child(2) {
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
    -webkit-transform-origin: 50% 50% -20px;
    -moz-transform-origin: 50% 50% -20px;
    transform-origin: 50% 50% -20px;
  }
  .btn-12:hover span:nth-child(1) {
    box-shadow: inset 2px 2px 2px 0px rgba(209, 61, 61, 0.5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    -webkit-transform: rotateX(0deg);
    -moz-transform: rotateX(0deg);
    transform: rotateX(0deg);
  }
  .btn-12:hover span:nth-child(2) {
    box-shadow: inset 2px 2px 2px 0px rgba(201, 6, 6, 0.5),
      7px 7px 20px 0px rgba(0, 0, 0, .1),
      4px 4px 5px 0px rgba(0, 0, 0, .1);
    color: transparent;
    -webkit-transform: rotateX(-90deg);
    -moz-transform: rotateX(-90deg);
    transform: rotateX(-90deg);
  }
  .countdown {
    font-size: 24px;
    text-align: right;
    position: absolute;
    top: 10px;
    right: 10px;
    background-color: #333;
    color: #fff;
    padding: 10px;
    border-radius: 5px;
}