@media (max-width: 768px) {
    #menu{
        margin-top: 80px;
    }
    .sub-heading{
        display: none;
        margin-top: 31px;
    }
    .cube-container{
        top: 65px;
        position: relative;
        left: 46%;
        margin-bottom: 43px;
    }
    :root{
        --cube-width: 144px;
        --translateZ: 72px;
    }
    .h1 {
        margin-left: 20px;
      background-color: black;
      font-size: 66px;
    }
    body{
        margin-left: 0px;
        margin-top: 45px;
        width: 100%;
    }
    ul{
        
    font-size: 40px;
    }
    .cube-container .cube-face{
        font-size: 20px;
    }
  }

  @media (min-width: 768px) {
    .cube-container .cube-face{
        border-width: 5px;
        font-size: 28px;
    }
    .container{
        margin-left: 5%;
    }
    .cube-container{
        float: right;
        position: absolute;
        right: 25%;
        margin-top: 39px;
    }
    :root{
        --cube-width: 190px;
        --translateZ: 95px;
    }
    .h1 {
      margin-left: 6%;
      font-size: 155px;
    }
    body{
    border-color: rgb(126, 122, 122);
    border-width: 1px;
    margin-top: 3.5%;
    margin-bottom: 0px;
    padding: 0px;
    }
    header{   
        margin-bottom: 104px;
    }
    ul{
        font-size: 49px;
    }
  }
@font-face {
    font-family: 'JosefinSans';
    src: url(JosefinSans.ttf);
}
html{
    opacity: 0;
    transition: 2s;
}

ul{
    font-family: 'JosefinSans';
    color: white;
}
li{
    list-style-type:none;
    margin-top: 20px;
    transition: 0.2s;
}
li:hover{
    background-color: white;
    color: black;
}
body{
    font-family: "Poppins";
    background: black;
}
header{
    font-family: JosefinSans;
    color: whitesmoke;
}
.container{
    max-width: 1000px;
}
.h1{
    position: sticky;
    top: 25px;
    margin-bottom: 0px;
}

header .sub-heading{
    margin-top: -20px;
    font-size: 26px;
    margin-left: 7%
}
.cube-container{
    perspective: 1000px;
}

.cube-container .cube{
    width: var(--cube-width);
    height: var(--cube-width);
    transform-style: preserve-3d;
}
.cube-container .cube-face{
    box-sizing: border-box;
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    border-style: solid;
    border-color: white;
    color: white;
    background: black ;
position: absolute;
width: var(--cube-width);
height: var(--cube-width);
font-weight: bold;
display: flex;
align-items: center;
justify-content: center;
transition: 0.6s;
}
.cube-face:hover{
    background-color: white;
    color: black;
}

.cube-container .front{
    
    
    transform: translateZ(var(--translateZ));

}
.cube-container .back{
    transform: rotateY(180deg) translateZ(var(--translateZ));

}

.cube-container .left{
    transform: rotateY(-90deg) translateZ(var(--translateZ));

}
.cube-container .right{
    transform: rotateY(90deg) translateZ(var(--translateZ));

}
.cube-container .top{
    transform: rotateX(90deg) translateZ(var(--translateZ));

}
.cube-container .bottom{
    transform: rotateX(-90deg) translateZ(var(--translateZ));

}