index.css

/*
Blue #1B244A
Black #080001

Red #F94F6D
Glicine #9AABD8 

*/

@font-face{
    font-family: "Cursed Timer";
    src: url("CursedTimerUlil-Aznm.ttf");
}
:root{
    --white: #EEEEEE;
    --black: #080001;
    --red: #F94F6D;
    --glicine: #9AABD8;
    --dark-glicine: #DDD6FE;
    --blue: #1B244A;
}
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;    
}

body {
    text-align: center;
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}

.container {
    display: flex;
    justify-content: space-around;
    align-items: center;
    gap: 1rem;
    max-width: 500px;
    margin: 3rem auto;
    padding: 1rem 3rem 2rem;
    
    color: var(--white);
 
    background: #1B244A;
    border-radius: 10px;
    box-shadow: 0 0 10px 0 var(--dark-glicine);
}
.game-column {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    gap: 1rem;
}
.container h3{
    font-size: 2.5rem;
}
.display {
    width: 1.75em;
    background: var(--black);
    padding-top: 1rem;
    
    border-radius: 10px;
    
    font-size: 5rem;
    color: var(--red);
}
.points-buttons{
    width: 100%;
    display: flex;
    justify-content: space-around;
}
.display, btn {
    font-family: "Cursed Timer", Courier New, Courier, monospace;
}
.btn {
    border-radius: 5px;
}
.btn {
    font-family: inherit;
    color: var(--glicine);
    background: transparent;
    padding: .4em;
    border: 1px solid currentColor;
}
.btn:hover {
    color: var(--dark-glicine);
    cursor: pointer;
}
.reset-btn:hover{
    color: var(--red);
}