a:link {
    text-decoration: none;
}

a:visited {
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

a:active {
    text-decoration: underline;
}

/* unvisited link */
a:link {
    color: red;
}

/* visited link */
a:visited {
    color: green;
}

/* mouse over link */
a:hover {
    color: hotpink;
}

/* selected link */
a:active {
    color: blue;
}

code {
    white-space: pre;
}

* {
    box-sizing: border-box;
}

body { 
    margin: 0;
    font-family: Arial, Helvetica, sans-serif;
}

.header {
    overflow: hidden;
    background-color: #ff0000;
    padding: 20px 10px;
}

.header a {
    float: left;
    color: black;
    text-align: center;
    padding: 12px;
    text-decoration: none;
    font-size: 18px; 
    line-height: 25px;
    border-radius: 4px;
}

.header a.logo {
    font-size: 25px;
    font-weight: bold;
}

.header a:hover {
    background-color: #ddd;
    color: black;
}

.header a.active {
    background-color: dodgerblue;
    color: white;
}

.header-right {
    float: right;
}

@media screen and (max-width: 500px) {
    .header a {
        float: none;
        display: block;
        text-align: left;
    }
    
    .header-right {
        float: none;
    }
  }



  .brd {
  border: dashed red;
    width: 400px;
  height: 150px;
  vertical-align: middle;
      display: flex;
    align-items: center;
}
style {
  border: 1px dashed black;
  display:block;
}

.center-div
{
     position: relative;
     top: 50%;
     transform: perspective(1px) translateX(28%);
}