@import url("https://fonts.googleapis.com/css?family=Open+Sans&display=swap");

:root {
  --white: #fff;
  --black: #1c2b2d;
  --blue: #31326f;
  --light-blue: #005490;
  --color-primary: #9d0191;
  --color-sec: #eee;
  --grey: #eee;
  --dark-grey: #222831;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
html {
  font-size: 10px;
}
body{
    background-color: var(--light-blue);
    font-family: Verdana, Geneva, Tahoma, sans-serif;
}
p{
    font-size: 1.6rem;
    line-height: 1.5;
}
.container{
    max-width: 900px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}
.quiz-box{
    width: 600px;
    margin: 0 auto;
    background-color: var(--grey);
    padding: 10px 50px 50px 50px;
    border: 3px solid var(--dark-grey);
    border-radius: 5px;
}
.quiz-box h1{
    background-color: var(--light-blue);
    font-size: 4rem;
    text-align: center;
    color: var(--white);
    padding: 10px 0;
    width: 100%;
    margin-bottom: 2rem;
    border-radius: 3px;
}
.quiz-header{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.quiz-header #progress{
    color: #2b2b2b;
    font-size: 1.6rem;
    font-weight: 700;
}
.quiz-header #count-down{
    font-size: 1.6rem;
    font-weight: 700;
    background-color: rgb(210, 149, 127);
    padding: 5px;
    margin: 2px;
    color: var(--white);
    border-radius: 5px;
}
.quiz-box #question{
    font-size: 1.8rem;
    margin-top: 2rem;
}
.buttons{
    margin: 1.5rem 0 4rem 0;
}
.btn{
    text-align: left;
    background-color: #ddd;
    width: 100%;
    font-size: 1.8rem;
    color: var(--black);
    border: 1px solid var(--color-primary);
    border-radius: 5px;
    margin: 7px 0;
    padding: 1rem;
    outline: none;
}