style.css

body {
  background-color: greenyellow;
  transition: all 0.5s ease;
}
button {
  background-color: greenyellow;
  transition: all 0.5s ease;
  padding: 1px 1cm;
}
button:hover {
  background-color: yellow;
  padding: 1px 2cm;
  transition: all 0.5s ease;
}
a:hover {
  background: yellow;
  padding: 1px 2cm;
  transition: all 0.5s ease;
}
a {
  padding: 1px 1cm;
  background: white;
  transition: all 0.5s ease;
  
}


.ibm-plex-sans-thai-thin {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 100;
  font-style: normal;
}

.ibm-plex-sans-thai-extralight {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 200;
  font-style: normal;
}

.ibm-plex-sans-thai-light {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 300;
  font-style: normal;
}

.ibm-plex-sans-thai-regular {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 400;
  font-style: normal;
}

.ibm-plex-sans-thai-medium {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 500;
  font-style: normal;
}

.ibm-plex-sans-thai-semibold {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 600;
  font-style: normal;
}

.ibm-plex-sans-thai-bold {
  font-family: "IBM Plex Sans Thai", serif;
  font-weight: 700;
  font-style: normal;
}
.box {
  width: auto;
  height: auto;
  background-color: grey;
  border: 2px solid black;
  padding: 10px;
  margin: 10px;
  padding:50px 0px; 
  padding:0px;
  text-align: center;
  align: center;
}
.box h1 {
  font-size: 6.2em;
  font-weight: 500;
}
.box a {
  padding: 1px 3cm;
}
#new1 {
 padding:50px 0px; 
 padding:0px;
 text-align: center;
 align: center;
}
p:hover {
 border: 2px solid black;
}
h1:hover {
 border: 2px solid black;
}
option {
 border: 2px solid black;
}