style.css

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@700&display=swap');

* {
    box-sizing: border-box;
}

body{
    background: #ECE9E6;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #FFFFFF, #ECE9E6);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #FFFFFF, #ECE9E6); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    margin:0;
    padding: 0;

    display: flex;
    flex-direction: column;
    align-items: center;

    width:100vw;
    height: 100vh;
}

.top-panel{
    background: #CB356B;  /* fallback for old browsers */
    background: -webkit-linear-gradient(to right, #CB356B, #BD3F32);  /* Chrome 10-25, Safari 5.1-6 */
    background: linear-gradient(to right, #CB356B, #BD3F32); /* W3C, IE 10+/ Edge, Firefox 16+, Chrome 26+, Opera 12+, Safari 7+ */
    height: 200px;
    width: 100vw;
    position:relative;
    display: flex;
    flex-direction: column;
    align-items: center;
}

.top-buttons{

    text-align: center;

    margin: 0;
    padding: 1rem; 
}

.top-buttons button{

    font-size: 18px;
    width: 150px;
    color: black;

    background-color: red;
    border-radius:30px;

    cursor: pointer;
}

.top-buttons button:hover{
    
    font-size: 28px;
    width: 150px;

    color:white;
}

.top-buttons button:disabled{
    font-size: 28px;
    width: 150px;
    border: solid black 2px;
    box-shadow: 2px 2px 60% black;
    color:white;

    cursor:auto;
}

.top-panel span{

    position:absolute;
    bottom: 20px;


    display: block;

    padding: 0;
    margin: 0;
    height: fit-content;

    font-family: "Oswald", sans-serif;
    font-weight: bold;
    font-size: 94px;

    line-height:100%;

}

.change{
    text-decoration: line-through;
    text-decoration-color: black;
}

li{
    background-color: #C4C4C4;
    cursor: pointer;

    font-weight: bold;
    font-size: 1.5rem;

    padding: 0.5rem 1rem;
    margin: 0.2rem;
}

ul{
    
    list-style-type: none;
    overflow: auto;

    margin: 1rem 1rem 0.3rem 1rem;
    padding: 0;

    background-color: white;
}

span{
    font-family: 'Times New Roman', Times, serif;
    margin: 1rem;
}