*, *:before, *:after {
   box-sizing: border-box;
}

h1 {
   text-align: center;
   border-bottom: solid 0.2rem #136FFF;
}

hr {
   border: none;
   border-top: solid 0.2rem #136FFF;
   margin-top: 16px;
   margin-bottom: 16px;
}