* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: rgb(190, 201, 161);
    min-height: 100vh;
}

.header {
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    font-size: 36px;
    color: #403d49;
    padding: 2vh;

}

.footer {
    width: 100%;
    padding: 20px;
    margin-top: 20px;
    background-color:rgb(172, 184, 142) ;
    color:  #403d49;
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 10px;
}

.footer img {
    max-height: 25px;
}

/* Content */

.content {
    flex: 1;
    display: flex;
    align-items: center;
}

.container {
    display: flex;
    flex-direction: column;
    background-color: rgb(64, 64, 68);
    gap: 10px;
    border: 3px solid rgb(0, 0, 0);
    border-radius: 10px;
    padding: 20px 10px;
    box-shadow: 3px 2px 5px 5px rgba(46, 45, 45, 0.63);
    height: 450px;
    width: 300px;
}

.display-area {
    background-color: rgb(136, 136, 136);
    min-height: 75px;
    border-radius: 15px;
    box-shadow:inset 0 0 3px 2px black;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
    padding: 2% 5%;
    font-size: 42px;
    overflow: hidden;
}

/* Buttons */

.buttons {
    display: flex;
    flex-direction: column;
    flex-wrap: wrap;
    height: 375px;
}

button {
    box-shadow:inset 0 0 2px 1px rgb(94, 93, 93);
    width: 24%;
    aspect-ratio: 1 / 1;
    border-radius: 10px;
    cursor: pointer;
    background-color: rgb(185, 184, 181);
    transition: transform 0.2s, font-size 0.2s;
}

button:hover {
    font-size: 13px;
    transform: scale(0.95);
}

.reset-button, .delete-button {
    background-color: rgba(255, 134, 21, 0.911)
}

.numeric-button:hover, .komma-button:hover {
    background-color: rgb(99, 114, 116);
}

.operator-button:hover, .active-operator {
    background-color: rgb(165, 133, 155);
}

.equal-button:hover {
    background-color: rgb(130, 216, 110);
}

.reset-button:hover, .delete-button:hover {
    background-color: rgb(252, 127, 11);
}

#btnPlus {
    aspect-ratio: 1 / 2;
}