style.css

/* * {
  outline: 4px solid green !important;
} */

* {
  margin: 0;
  padding: 0;
}

html {
  height: 100vh;
}

.main-container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: 100vh;
  margin-bottom: 5px;
  position: relative;
  transition: background-position 3s;
  background: #0f172a; /* fallback for old browsers */
  background: linear-gradient(
    135deg,
    rgba(253, 187, 45, 1) 15%,
    rgba(216, 109, 38, 1) 30%,
    rgba(178, 31, 31, 1) 49%,
    #0f172a 70%
  ); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
  background-size: 400%;
  background-position: right;
}

.telegram-button-hover {
  background-position: 10%;
}

.mail-button-hover {
  background-position: 20%;
}
.github-button-hover {
  background-position: 30%;
}
.cv-button-hover {
  background-position: 49%;
}

@media screen and (max-width: 767px) {
  body {
    height: 100%;
  }

  .main-container {
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100%;
    margin-bottom: 5px;
    position: relative;
    background: #0f172a; /* fallback for old browsers */
    background: linear-gradient(
      135deg,
      rgba(253, 187, 45, 1) 20%,
      rgba(216, 109, 38, 1) 40%,
      rgba(178, 31, 31, 1) 60%,
      rgba(26, 42, 108, 1) 80%
    );
    background-size: 400%;
    animation: gradient-animation 8s infinite alternate ease;
  }

  @keyframes gradient-animation {
    0% {
      background-position: right;
    }

    100% {
      background-position: left;
    }
  }
}

.main-info {
  font-family: "Manrope", sans-serif;
  width: 100%;
}

.main-info h1,
h2 {
  text-align: center;
  color: #e2e8f0;
}

.main-info h1 {
  font-size: 50px;
  margin: 0 auto;
}

.main-info h2 {
  margin: 1px auto;
}

.wave-container {
  width: 100%;
  height: 50px;
  position: absolute;
  bottom: 0;
}

.icons-container {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-top: 20px;
}

.icons-container a {
  margin: 0 20px;
  display: flex;
  justify-content: center;
  align-items: center;
  width: 40px;
  height: 40px;
  border: #e2e8f0 solid;
  border-radius: 10px;
  transition: 0.2s;
}

.icons-container a img {
  height: 90%;
  width: 90%;
}

.icons-container a:hover {
  translate: 0 -10px;
}

.button-info {
  display: flex;
  justify-content: center;
  color: #e2e8f0;
  font-family: "Manrope", sans-serif;
  width: 100%;
  margin-top: 10px;
  visibility: hidden;
}