body{
    font-family: Verdana, Geneva, Tahoma, sans-serif;
    background-color:#111111;
    height: 100vh;
}

h1{
    text-align: center;
    color: #F2F1E4;
    font-family:'Lucida Sans', 'Lucida Sans Regular', 'Lucida Grande', 'Lucida Sans Unicode', Geneva, Verdana, sans-serif
}

h6{
    text-align: center;
    color: #313131;
}

.container {
    max-width: 35%;
    height: 70%;
    margin: 0 auto;
    background-color: black;
    padding: 6%;
    border-radius: 10%;

}

.user-input {
    margin-bottom: 5%;
    border-radius: 5%;
}

/* números */
.user-input label {
    display: inline-block;
    width: 20%;
    font-size: 13px;
    color: #F2F1E4;
    font-family:Verdana, Geneva, Tahoma, sans-serif;
}

/* box de input */
.user-input input {
    width: 60%;
    height: 48%;
    background-color: #313131;
    color:white;
    border-radius: 20px;
    text-align: center;
    border: none;
}

.operations {
    display: flex;
    background-color: #000;
}

.operation-button {
    background-color: #000;
    border-radius: 990px;
    border: none;
    cursor:pointer;
}

.user-input-clear {
    background-color: #0000;
    border-bottom-left-radius: 99px;
    border-bottom-right-radius: 99px;
}

.result {
    margin-top: 50%;
    font-weight: bold;
    color: white;
}

#result {
    color: #fff;
    float: right;
    font-size: 430%;

}

.operation-button {
    background-color: #FFA500;
    border: none;
    border-radius: 50%; 
    font-size: 2rem; 
    color: #f5f5dc; 
    width: 60px; 
    height: 60px; 
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 5px;
    cursor: pointer;
    transition: transform 0.2s ease;
}

.operation-button:hover {
    transform: scale(1.1); 
}