*{
    box-sizing: border-box;
    padding: 0;
    margin: 0;
}
.container{
    width: 95%;
    margin: 0 auto;
}
header {
    /* background-color: yellow;     */
    box-shadow: 3px 3px 10px -5px ;
    padding: 1em;
}

header.container{
    margin-top: 2em;
    position: fixed;
    z-index: 1;
}
.split{
    display: flex;
    justify-content: space-between;
    
}
.logo{
    width: 50%;
    display: flex;
    align-items: center;
}
nav{
    width: 50%;
    display: flex;
    justify-content: flex-end;
    padding-right: 1em;
}
nav ul{
    display: flex;
    list-style: none;
    align-items: center;
}
nav li{
    padding-left: 1em;
}
nav a{
    color: black;
    text-decoration: none;
}
nav .active{
    text-decoration: underline;
}
section{
    height: 100em;
    
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: -1;
}
.box{
    display: flex;
    justify-content: center;
}
.box button{
    background-color: transparent;
    font-size: larger;
    box-shadow: 5px 5px 5px rgb(0, 0, 0);
    /* border: none; */
    cursor: pointer;
    height: 10em;
    width: 10em;
    display: flex;
    justify-content: center;
    align-items: center;
    border-radius: 100%;
    z-index: -1;
}
#default{
    cursor: pointer;
}