style.css

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&display=swap');

*{
    padding: 0%;
    margin: 0%;
    box-sizing: border-box;
    font-family: 'Bebas Neue', cursive;
}
.app{
    width: 100vw;
    height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #FC4245;
}
.contain{
    display: flex;
    flex-direction: column;
    height: 100%;
    justify-content: center;

}
h1{
    font-size: 50px;
    text-align: center;
    line-height: 3rem;
    color: rgba(0, 0, 0, 0.568);
    margin-bottom: 30px;
}
.wapper{
    display: flex;
}
.numbers{
    margin-left: 10px;
}

.input{
    height: 30px;
    font-size: 20px;
    padding-left: 5px;
    margin-bottom: 10px;
}

.contador,.numbers{
    color: rgba(0, 0, 0, 0.568);
}