* {
    text-align: center;
}
input {
   font-size: 1.0rem;
   height: 50px;
   width: 300px;
   border: 2px solid black;
   background: rgb(219, 219, 219);
   border-radius: 1.5rem;
   padding: 5px;
}
button {
    font-size:1.0rem;
    font-display: black;
    height:35px;
    width:90px;
    border:3px, black;
    border-radius:1.0rem;
    background: rgb(255, 255, 255);
}
h2 {
    font-family: arial;    
    font-size: 1.0rem;
    margin-left: auto;
    margin-right: auto;
    width: 300px;
    height: auto;
    border: 4px solid black;
    background: rgb(165, 207, 255);
    border-radius: 1.5rem;
    padding: 5px;
}

.header {
    width: 200px;
    height: 110px;
    border: 3px solid blue;
    margin: 5px;
    padding: 3px;
    border-radius: 1.5rem;
    background-color: cyan;
    margin-left: auto;
    margin-right: auto;
}

.button {
    font-family: arial;
    width: 210px;
    height: 50px;
    background-color: white;
    border: 3px solid black;
    border-radius: 2.0rem;
    margin-left: auto;
    margin-right: auto;
    color: red;
}

.button1 {
    font-family: arial;
    width: 260px;
    height: auto;
    background-color: white;
    border: 3px solid black;
    border-radius: 2.0rem;
    margin-left: auto;
    margin-right: auto;
    color: red;
    margin-top: 5px;
}

.ad {
    float: left;
    font-size: 10px;
    font-family: arial;
    height: 25px;
    width: 100px;
    border: 2px solid yellow;
    background-color: orange;
}

.ad2 {
    float: right;
    font-size: 10px;
    font-family: arial;
    height: 25px;
    width: 100px;
    border: 2px solid yellow;
    background-color: orange;
}