* {
    padding: 0;
    margin: 0;
    box-sizing: border-box;
}

body {
    background-color: rgb(19, 80, 88);
    font-family:Arial, Helvetica, sans-serif;
}

#segurasec{
    display: flex;
    flex-direction: row;
    justify-content: center;
    align-items: center;
}

.elemento{
    display: block;
}

#conteiner {
    border-radius: 5px;
    margin-top: 25px;
    padding: 20px;
    background-color: #fff;
    width: 500px;
    -webkit-border-radius: 5px;
    -moz-border-radius: 5px;
    -ms-border-radius: 5px;
    -o-border-radius: 5px;
}

.relogio {
    padding: 20px 0px 20px 0px;
    font-size:3em;
}

.pausado {
    color:red;
}

.botao {
    padding: 5px;
    font-family: Arial, Helvetica, sans-serif;
    font-weight: bold;
    background-color: aqua;
}

.botao:hover {
    background-color: rgb(94, 137, 150);
}