.main-nav {
  height: 112px;
}

.main-nav.fixed > ul {
  position: fixed;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  z-index: 11;
  border-radius: 0 0 14px 14px;
  animation: slide-down .3s;
}

.main-nav > ul {
  display: flex;
  justify-content: space-around;
  background-color: #fff;
  list-style-type: none;
  margin: 0 auto;
  position: relative;
  height: 112px;
  border-radius: 14px;
  align-items: center;
}

.main-nav > ul > li {
  width: 25%;
  height: 100%;
  display: flex;
  align-items: center;
  text-align: center;
}

.main-nav > ul > li > a {
  display: flex;
  color: gray;
  text-decoration: none;
  font-weight: bold;
  border-right: 2px solid rgba(196, 196, 196, 0.3);
  width: 100%;
  height: 88px;
  justify-content: space-between;
  flex-direction: column;
  align-items: center;
}

.main-nav > ul > li:last-child > a {
  border-right: none;
}

.main-nav > ul > li:nth-child(1) > a {
  padding-top: 4px;
}

.main-nav > ul > li:nth-child(2) > a {
  padding-top: 6px;
}

.main-nav > ul > li:nth-child(3) > a {
  padding-top: 14px;
}

.main-nav > ul > li:nth-child(4) > a {
  padding-top: 12px;
}

.main-nav > ul > li > a > p {
  height: 33px;
  line-height: 33px;
  font-weight: 500;
}

@media (max-width: 800px) {
    .main-nav.fixed > ul {
        top: auto;
        bottom: 0;
        max-width: 100vw;
        width: 100vw;
        border-radius: 0;
        animation: slide-up .3s;
        padding: 0;
    }

    .main-nav.fixed > ul > li {
        width: 25%;
    }

    .main-nav > ul {
        flex-wrap: wrap;
        height: auto;
        padding: 14px 0;
    }

    .main-nav > ul > li {
        width: 50%;
        padding: 0 12px;
        display: flex;
        flex-direction: column;
        align-items: center;
        text-align: center;
        height: 85px !important;
    }
  
    .main-nav > ul > li:nth-child(2n) {
        border-left: 2px solid rgba(196, 196, 196, 0.3);
    }

    .main-nav.fixed > ul > li {
        border-right: none;
        border-left: 2px solid rgba(196, 196, 196, 0.3);
    }

    .main-nav.fixed > ul > li > a {
        border: none;
        transform: scale(.8);
    }
  
    .main-nav:not(.fixed) > ul > li > a {
        border-right: none;
        border-bottom: 2px solid rgba(196, 196, 196, 0.3);
    }

    .main-nav:not(.fixed) > ul > li:nth-child(n+3) > a {
        border-bottom: none;
    }
}

@keyframes slide-down {
  from {top: -300px}
  to {top: 0;}
}

@keyframes slide-up {
  from {bottom: -300px}
  to {bottom: 0;}
}