.flex{
    display: flex;
}
.spaced-out{
    justify-content: space-around;
}
.center{
    justify-content: center;
}
.align-center{
    align-items: center;
}
.max-width{
    max-width: 980px;
}
.header{
    height: 100px;
    margin: auto;
}
.height-100{
    height: 100%;
}
.height-300{
    height: 300px;
}
nav{
    height: 100px;
}
.font-big{
    font-size: large;
}
.section{
    height: 500px;
}
.white{
    color: white;
}
.auto-m{
    margin: auto;
}
.height-200{
    height:200px;
}
p{
    font-size: medium;
}
a{
    text-decoration: none;
    color: black;
}
.down{
    flex-direction: column;
}
.width-80{
    width:80%
}
.margin-big{
    margin: 40px;
}
.margin-sml{
    margin: 5px;
}