* {
    box-sizing: border-box;
}

body {
    padding: 20px;
    background-color: black;
    color: white;
    font-family: "Sekuya", system-ui;
}

.light-mode {
    background-color: white;
    color: black;
}

.center {
    max-width: 1150px;
    margin-left: auto;
    margin-right: auto;
    padding: 20px;
}

.big {
    font-size: 40px;
}

.line {
    display: flex;
    gap: 15px;
    justify-content: space-between;
    align-items: center;
}

.poem {
    text-align: center;
}

footer {
    background-color: blue;
    color: brown;
    background-image: linear-gradient(to bottom, darkslateblue, darkslategrey);
}

.light-mode footer {
    background-color: brown;
    color: blue;
}

#color-mode-button {
    background-color: black;
    color: white;
    border-radius: 25%;
    box-shadow: 10px 5px 5px 0 rgb(21, 0, 255);
}

button {
    min-width: 40px;
}

header {
    background-image: linear-gradient(to bottom, darkslateblue, darkslategrey);
}

.tab {
    display: inline-block;
    border: 1px solid white;
    border-bottom: 0;
    padding:10px;
    border-top-left-radius: 10px;
    border-top-right-radius: 10px;
}

.underline {
    display: flex;
    gap: 10px;
    justify-content: right;
    border-bottom: 1px solid white;
    margin-bottom: 0;
    padding: 0px;
}

.light-mode .tab{
    border-color: rgb(0, 0, 0);
}

.light-mode .underline{
    border-color: rgb(0, 0, 0);
}

a {
    color: white;
}

.light-mode a{
    color: black;
}

main{
    min-height: 50vh;
    background-color: aliceblue/0.1;
}