header{position:fixed;top:0;left:0;width:80vw;height:80px;display:flex;align-items:center;border-bottom-right-radius:200px;z-index:100;transition:background-color .5s}.scrolled-color-change{background-color:#f6f6f6}.header-icon{margin-right:auto;padding-left:30px}.header-icon img{height:70px}.header-contents{margin-left:auto;padding-right:5vw}.header-link{text-decoration:none;color:#0b0b0b;margin:3vw;transition:color .3s}.header-contents a:hover{color:#437fe0}@media (max-width: 768px){header{width:100vw;height:60px;border-bottom-right-radius:200px}.header-icon{padding-left:15px}.header-icon img{height:50px}.header-link{margin:2vw;font-size:14px}}