* {
    margin: 0;
    padding: 0;
}

body {
    display: flex;
    flex-direction: column;
    width: 100%;
}

.panel {
    display: flex;
    flex-direction: row;
    justify-content: space-between;
    width: 100%;
    height: 25%;
}

.panel-logo {
    height: 100%;
    display: flex;
    flex-direction: row;
}

.panel-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: nowrap;
    justify-content: space-between;
    align-items: center;
    align-content: space-between;
    width: 75%;
    height: 100%;
    border-style: dotted;
}

.panel-nav-button1,
.panel-nav-button2,
.panel-nav-button3,
.panel-nav-button4 {
    width: 100%;
    height: 100px;
    align-content: center;
}