html, body{
	margin: 0;
	padding: 0;
}
* {
	box-sizing: border-box; 
    font-family: system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

header {
    width: 100dvw;
    background-color: darkgray;
    color: white;
}

.propicImage {
    border-radius: 50%;
    width: 50%;
    max-width: 200px;
    height: auto;
    border: 1px solid white;
}
section {
    width: 100dvw;
    min-height: 20dvh;
    max-height: 50dvh;
    padding: 5px;
    display: flex;
    justify-content: space-evenly;
}
#sec2, #sec4{
    background-color: lightgray;
}
ul{
    list-style: none;
    text-align: left;
    display: flex;
    justify-content: space-evenly;
    width: 100%;
}

footer{
    padding: 5%;
    width: 100dvw;
    height: auto;
    background-color: black;
    color: white;
}