style.css

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    text-decoration: none;
    color: #292a23;
}

body {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    
    background-color: #fefff6 ;

    height: 100vh;
}

p {
    margin-bottom: 50px;
}

/* .links a {
    background-color: gold;
    color: black;
    font-family: sans-serif;
    font-size: 15px;
    padding: 5px 10px;
    border-radius: 5px;
} */

.btn-menta {
    color: #292a23;
    background-color: #fff;
    border: 2px solid #292a23;
    border-radius: 5px;
    box-shadow: 3px 3px  black;

    width: 100px;
    height: 30px;
    transition: ease-in-out 100ms;
}

.btn-menta:hover {
    color: #fff;
    background-color: #292a23;
    border: 2px solid #292a23;
    border-radius: 5px;
    box-shadow: none;

    cursor: pointer;
}

.btn-conv {
    border: none;
    border-radius: 5px;
    cursor: pointer;
    background-color: #f194bb;
    color: #0d0d0d;

    width: 100px;
    height: 30px;
    padding-left: 5px;
    
}

.btn-conv:hover {
    filter: opacity(80%);
}

.btn-calc  {
    font-weight: 500;
    background-color: gold;
    color: #000;

    border: none;
    border-radius: 5px;
    cursor: pointer;

    width: 100px;
    height: 30px;
}