.navbar
{
    background-color: #495F72;
    overflow: hidden;
}

.navbar .icon {
  display: none;
}

.navbar a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: x-large;
  font-weight:bold;
    
}

@media screen and (max-width: 1024px) {
  .navbar a:not(:first-child) {display: none;}
  .navbar a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 1024px) {
  .navbar.responsive {position: relative;}
  .navbar.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .navbar.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

.navbar
{
    background-color: #495F72;
    overflow: hidden;
}

.navbar .icon {
  display: none;
}

.navbar a {
  float: left;
  display: block;
  color: white;
  text-align: center;
  padding: 14px 16px;
  text-decoration: none;
  font-size: x-large;
  font-weight:bold;
  border-radius:0px;
}

@media screen and (max-width: 1024px) {
  .navbar a:not(:first-child) {display: none;}
  .navbar a.icon {
    float: right;
    display: block;
  }
}

@media screen and (max-width: 1024px) {
  .navbar.responsive {position: relative;}
  .navbar.responsive .icon {
    position: absolute;
    right: 0;
    top: 0;
  }
  .navbar.responsive a {
    float: none;
    display: block;
    text-align: left;
  }
}

Set navbar border-radius to 0px
Set navbar border-radius to 0px
