:root {
    --yellow: #ffc600;
    --black: #272727;
    --m1: 100px;
}


html {
    box-sizing: border-box;
    font-size: 10px;
    color: var(--black);
}
body {
    margin: 100px 250px;
}
header {
    display: flex;
    text-align: center;
    justify-content: center;
    
}
.casuta-1,
.casuta-2,
.casuta-3,
.casuta-4 {
    border: 3px solid black;
    border-radius: 3px;
    font-size: 15px;
    background-color: #ffc600;
    padding: 50px;
    padding-left: 120px;
}


.tabel{
    display:grid;
    height:400px;
    grid-gap:30px;
    grid-template-columns: repeat(2, 1fr);
    grid-template-rows: 1fr 1fr;
}
.back {
    background-color: #ffc600;
    color: black;
    text-decoration: none;
    font-size: 20px;
    margin-bottom: 50px;
    padding: 20px;
    border-radius: 20%;
}
.back:hover {
    background-color: chartreuse;
}