a{
    color: #000;
    text-decoration: none;
}
.header {
    top: 0;
    left: 0;
    backdrop-filter: blur(5px); 
    background-color: rgba(255, 255, 255, 0.5);
    position: fixed;
    width: 100%;
    z-index: 3;
    color: #000;
    font-weight: 500;
}

.header ul {
    margin: 0;
    padding: 0;
    list-style: none;
    overflow: hidden;
    }

.header li a {
    display: block;
    padding: 20px 20px;
    text-decoration: none;
    
}

.header li a:hover,
.header .menu-btn:hover {
    color: rgb(121, 121, 121);
}
.header .logo {
    display: block;
    float: left;
    font-size: 2em;
    padding: 20px 50px;
    text-decoration: none;
    color: #000;
}

.header .menu {
    clear: both;
    max-height: 0;
    padding: 15px;
    transition: max-height .2s ease-out;
}
.header .menu-icon {
    cursor: pointer;
    display: inline-block;
    float: right;
    padding: 45px 50px;
    position: relative;
    user-select: none;
}

.header .menu-icon .navicon {
    background: #333;
    display: block;
    height: 2px;
    position: relative;
    transition: background .2s ease-out;
    width: 18px;
    ;
}
.header .menu-icon .navicon:before,
.header .menu-icon .navicon:after {
    background: #333;
    content: '';
    display: block;
    height: 100%;
    position: absolute;
    transition: all .2s ease-out;
    width: 100%;
}
.header .menu-icon .navicon:before {
    top: 5px;
}
.header .menu-icon .navicon:after {
    top: -5px;
}
.header .menu-btn {
    display: none;
}

.header .menu-btn:checked ~ .menu {
    max-height: 300px;
}

.header .menu-btn:checked ~ .menu-icon .navicon {
    background: transparent;
}

.header .menu-btn:checked ~ .menu-icon .navicon:before {
    transform: rotate(-45deg);
}

.header .menu-btn:checked ~ .menu-icon .navicon:after {
    transform: rotate(45deg);
}

.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:before,
.header .menu-btn:checked ~ .menu-icon:not(.steps) .navicon:after {
    top: 0;
}
.logo span{
    position: relative;
    display: inline-block;
    font-size: 20px;
    text-transform: uppercase;
    animation: flip 2s infinite;
    animation-delay: calc(.2s * var(--i))
}
.logo {
    position: relative;
    font-size: 20px;
}
.logo span {
    position: relative;
    display: inline-block;
    color: #000000;
    text-transform: uppercase;
    animation: logo 1.5s infinite;
    animation-delay: calc(.1s * var(--i));
    
}
@keyframes logo {
    0%,40%,100% {
      transform: translateX(5px)
    }
    20% {
      transform: translateY(-20px)
    }
}
@media only screen and (min-width: 768px) {
    .header li {
      float: left;
    }
    .header li a {
      padding: 20px 30px;
    }
    .header .menu {
      clear: none;
      float: right;
      max-height: none;
    }
    .header .menu-icon {
      display: none;
    }
  }