input.szukaj {
  border: 2px solid #10a1ea; 
  position: relative;
  top: 5px;
  border-radius: 3px;
  padding: 10px 20px;
}
.buttons{
  margin: 10px;
}
a.button{
  margin: 5px;
}
h1.display-4{
  margin: 10px;
}
.kursStyle{
    margin: 10px;
    /* -moz-border-radius-topright: 5px;
    -moz-border-radius-bottomright: 5px;*/
    border-radius: 10px;
    /* border-top-right-radius: 5px;
    border-bottom-right-radius: 5px; */
}
.kursStyle:hover{
    background:#f0f8ff;
    cursor: pointer;
}
.button {
    display: block;
    float: left;
    clear: both;
    padding: 10px 20px;
    background: #fff;
    border-radius: 3px;
    border: 2px solid #10a1ea;
    overflow: hidden;
    position: relative;
  }
  .button:after {
    transition: -webkit-transform 0.3s ease;
    transition: transform 0.3s ease;
    transition: transform 0.3s ease, -webkit-transform 0.3s ease;
    content: "";
    position: absolute;
    height: 200px;
    width: 400px;
    -webkit-transform: rotate(45deg) translateX(-540px) translateY(-100px);
            transform: rotate(45deg) translateX(-540px) translateY(-100px);
    background: #10a1ea;
    z-index: 1;
  }
  .button:before {
    transition: -webkit-transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    transition: transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55), -webkit-transform 0.5s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    content: attr(title);
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    color: #fff;
    z-index: 2;
    text-align: center;
    padding: 10px 20px;
    -webkit-transform: translateY(200px);
            transform: translateY(200px);
  }
  .button:hover {
    text-decoration: none;
  }
  .button:hover:after {
    -webkit-transform: translateX(-300px) translateY(-100px);
            transform: translateX(-300px) translateY(-100px);
  }
  .button:hover:before {
    -webkit-transform: translateY(0);
            transform: translateY(0);
  }
  .display-4{
    font-size: 40px;
  }