index.css

body {
    box-sizing: border-box;
    margin: 0;
}

h3 {
    font-size: 40px;
}
.container {
    margin: 0 auto;
    max-width: 700px;
    background-color: #1B244A;
    display: flex;
    justify-content: space-around;
    padding-bottom: 30px;
}

.home, .guest {
    text-align: center;
    color: #EEEEEE;
}

.input {
    width: 155px;
    height: 120px;
    margin: 0 auto 26px;
    background-color: #080001;
    color: #F94F6D;
    border: 0;
    font-size: 97px;
}

.btn {
    border: 2px solid #9AABD8;
    border-radius: 5px;
    background-color: transparent;
    color: #EEEEEE;
    width: 45px;
    height: 45px;
    column-gap: 30px;
    cursor: pointer;
}

.new-game {
    width: 160px;
    height: 70px;
    margin: auto 0;
    border: 2px solid #9AABD8;
    border-radius: 5px;
    background-color: transparent;
    color: #EEEEEE;
    font-size: 25px;
    cursor: pointer;
}