style.css

@import url('https://fonts.googleapis.com/css2?family=Lato:wght@300&display=swap');

*{
  box-sizing: border-box;
}

body{
    font-family: 'Lato', sans-serif;
    background-color: #333;
    color:#222;
    overflow-x: hidden;
    margin: 0;
}
.container{
    background-color: #fafafa ;
    transform-origin:top left ;
    transition: transform 0.5s linear;
    width: 100vw;
    height: 100vh;
    padding: 50px;
}
.container.show-nav{
   transform: rotate(-20deg);
}
.circle-container{
    position: fixed;
    top: -100px;
    left: -100px;
}
.circle{
    background-color: #ff7979;
    width: 200px;
    height: 200px;
    border-radius: 50%;
    transition: transform 0.5s linear;
}

.container.show-nav .circle{
    transform: rotate(-70deg);
}

.circle button{
    cursor: pointer;
    position: absolute;
    top: 60%;
    left: 40%;
    height: 10px;
    background: transparent;
    border: 0;
    font-size:26px;
    color: white;
}

.circle button:focus{
    outline: none;
}
.circle button.open{
    left: 60%;
}
.circle button.close{
    top: 60%;
    transform: rotate(90deg);
    transform-origin: top left;
}

.container.show-nav + nav li{
    transform: translateX(0);
    transition-delay:0.3s ;
}

nav{
    position: fixed;
    bottom:40px;
    left: 0;
    z-index: 100;
}
nav ul{
    list-style-type: none;
    padding-left: 30px;
}
nav ul li{
    text-transform: uppercase;
    color: #fff;
    margin: 40px 0;
    transform: translateX(-150%);
    transition: transform 0.4s ease-in;
}
.content img{
    max-width: 200px;
}
.content h1{
    margin: 0%;
}

.content small{
    color: #555;
    font-style:italic;
}
.content p{
    color: #333;
    line-height: 1.5;
}