@import url('https://fonts.googleapis.com/css2?family=Roboto+Mono:ital,wght@0,100;0,200;0,300;0,400;0,500;0,600;0,700;1,100;1,200;1,300;1,400;1,500;1,600;1,700&display=swap');


* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
    text-decoration: none;
}

html {
    background: url('https://segredosdomundo.r7.com/wp-content/uploads/2020/07/relogios-como-funcionam-origem-tipos-e-evolucao.jpg') center;
    background-size: cover;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100vh;
    width: auto;
    font-family: 'Roboto Mono';
   
}


.titulo {
    background-color: rgba(124, 125, 126, 0.432);
    width: 50rem;
    display: flex;
    justify-content: center;
    text-align: center;
    font-size: 3.5rem;
}

h1 {
    display: flex;
    justify-content: center;
    text-align: center;
    font-size: 3.5rem;
}


#box-timer {
    display: flex;
    background-color: brown;
    align-items: center;
    justify-content: space-around;
    flex-wrap: wrap;
    margin-top: 10%;
    height: 17rem;
    border-radius: 2%;
    background-color: rgba(88, 88, 88, 0.158);
    width: 80vw;
}


section {
    display: flex;
    background-color: rgb(8, 8, 8);
    height: 20vh;
    width: 23vw;
    align-items: center;
    justify-content: center;
    border: .1rem solid;
    border-radius: 4%;
    flex-direction: column;
}

span{
    color: white;
    font-size: 3rem;
    
}

.letras {
    font-size: 1.5rem;
    text-transform: capitalize;
}